diff --git a/dlls/msvcrt/tests/printf.c b/dlls/msvcrt/tests/printf.c
index 09757317831..ad55e4f604b 100644
--- a/dlls/msvcrt/tests/printf.c
+++ b/dlls/msvcrt/tests/printf.c
@@ -67,6 +67,7 @@ static int (__cdecl *p__fcvt_s)(char *buffer, size_t length, double number,
                                 int ndigits, int *decpt, int *sign);
 static unsigned int (__cdecl *p__get_output_format)(void);
 static unsigned int (__cdecl *p__set_output_format)(unsigned int);
+static int (WINAPIV *p_sprintf)(char*, ...);
 static int (__cdecl *p__vsprintf_p)(char*, size_t, const char*, __ms_va_list);
 static int (__cdecl *p_vswprintf)(wchar_t *str, const wchar_t *format, __ms_va_list valist);
 static int (__cdecl *p__vswprintf)(wchar_t *str, const wchar_t *format, __ms_va_list valist);
@@ -83,6 +84,7 @@ static void init( void )
 {
     HMODULE hmod = GetModuleHandleA("msvcrt.dll");
 
+    p_sprintf = (void *)GetProcAddress(hmod, "sprintf");
     p__vscprintf = (void *)GetProcAddress(hmod, "_vscprintf");
     p__vscwprintf = (void *)GetProcAddress(hmod, "_vscwprintf");
     p__vsnwprintf_s = (void *)GetProcAddress(hmod, "_vsnwprintf_s");
@@ -109,187 +111,187 @@ static void test_sprintf( void )
     WCHAR buf_w[2];
 
     format = "%+#23.15e";
-    r = sprintf(buffer,format,pnumber);
+    r = p_sprintf(buffer,format,pnumber);
     ok(!strcmp(buffer,"+7.894561230000000e+008"),"+#23.15e failed: '%s'\n", buffer);
     ok( r==23, "return count wrong\n");
 
     format = "%-#23.15e";
-    r = sprintf(buffer,format,pnumber);
+    r = p_sprintf(buffer,format,pnumber);
     ok(!strcmp(buffer,"7.894561230000000e+008 "),"-#23.15e failed: '%s'\n", buffer);
     ok( r==23, "return count wrong\n");
 
     format = "%#23.15e";
-    r = sprintf(buffer,format,pnumber);
+    r = p_sprintf(buffer,format,pnumber);
     ok(!strcmp(buffer," 7.894561230000000e+008"),"#23.15e failed: '%s'\n", buffer);
     ok( r==23, "return count wrong\n");
 
     format = "%#1.1g";
-    r = sprintf(buffer,format,pnumber);
+    r = p_sprintf(buffer,format,pnumber);
     ok(!strcmp(buffer,"8.e+008"),"#1.1g failed: '%s'\n", buffer);
     ok( r==7, "return count wrong\n");
 
     format = "%I64d";
-    r = sprintf(buffer,format,((ULONGLONG)0xffffffff)*0xffffffff);
+    r = p_sprintf(buffer,format,((ULONGLONG)0xffffffff)*0xffffffff);
     ok(!strcmp(buffer,"-8589934591"),"Problem with long long\n");
     ok( r==11, "return count wrong\n");
 
     format = "%+8I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer,"    +100") && r==8,"+8I64d failed: '%s'\n", buffer);
 
     format = "%+.8I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer,"+00000100") && r==9,"+.8I64d failed: '%s'\n", buffer);
 
     format = "%+10.8I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer," +00000100") && r==10,"+10.8I64d failed: '%s'\n", buffer);
     format = "%_1I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer,"_1I64d") && r==6,"_1I64d failed\n");
 
     format = "%-1.5I64d";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer,"-00100") && r==6,"-1.5I64d failed: '%s'\n", buffer);
 
     format = "%5I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer,"  100") && r==5,"5I64d failed: '%s'\n", buffer);
 
     format = "%5I64d";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer," -100") && r==5,"5I64d failed: '%s'\n", buffer);
 
     format = "%-5I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer,"100  ") && r==5,"-5I64d failed: '%s'\n", buffer);
 
     format = "%-5I64d";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer,"-100 ") && r==5,"-5I64d failed: '%s'\n", buffer);
 
     format = "%-.5I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer,"00100") && r==5,"-.5I64d failed: '%s'\n", buffer);
 
     format = "%-.5I64d";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer,"-00100") && r==6,"-.5I64d failed: '%s'\n", buffer);
 
     format = "%-8.5I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer,"00100   ") && r==8,"-8.5I64d failed: '%s'\n", buffer);
 
     format = "%-8.5I64d";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer,"-00100  ") && r==8,"-8.5I64d failed: '%s'\n", buffer);
 
     format = "%05I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer,"00100") && r==5,"05I64d failed: '%s'\n", buffer);
 
     format = "%05I64d";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer,"-0100") && r==5,"05I64d failed: '%s'\n", buffer);
 
     format = "% I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer," 100") && r==4,"' I64d' failed: '%s'\n", buffer);
 
     format = "% I64d";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer,"-100") && r==4,"' I64d' failed: '%s'\n", buffer);
 
     format = "% 5I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer,"  100") && r==5,"' 5I64d' failed: '%s'\n", buffer);
 
     format = "% 5I64d";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer," -100") && r==5,"' 5I64d' failed: '%s'\n", buffer);
 
     format = "% .5I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer," 00100") && r==6,"' .5I64d' failed: '%s'\n", buffer);
 
     format = "% .5I64d";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer,"-00100") && r==6,"' .5I64d' failed: '%s'\n", buffer);
 
     format = "% 8.5I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer,"   00100") && r==8,"' 8.5I64d' failed: '%s'\n", buffer);
 
     format = "% 8.5I64d";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer,"  -00100") && r==8,"' 8.5I64d' failed: '%s'\n", buffer);
 
     format = "%.0I64d";
-    r = sprintf(buffer,format,(LONGLONG)0);
+    r = p_sprintf(buffer,format,(LONGLONG)0);
     ok(r==0,".0I64d failed: '%s'\n", buffer);
 
     format = "%#+21.18I64x";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer," 0x00ffffffffffffff9c") && r==21,"#+21.18I64x failed: '%s'\n", buffer);
 
     format = "%#.25I64o";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer,"0001777777777777777777634") && r==25,"#.25I64o failed: '%s'\n", buffer);
 
     format = "%#+24.20I64o";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer," 01777777777777777777634") && r==24,"#+24.20I64o failed: '%s'\n", buffer);
 
     format = "%#+18.21I64X";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer,"0X00000FFFFFFFFFFFFFF9C") && r==23,"#+18.21I64X failed: '%s '\n", buffer);
 
     format = "%#+20.24I64o";
-    r = sprintf(buffer,format,(LONGLONG)-100);
+    r = p_sprintf(buffer,format,(LONGLONG)-100);
     ok(!strcmp(buffer,"001777777777777777777634") && r==24,"#+20.24I64o failed: '%s'\n", buffer);
 
     format = "%#+25.22I64u";
-    r = sprintf(buffer,format,(LONGLONG)-1);
+    r = p_sprintf(buffer,format,(LONGLONG)-1);
     ok(!strcmp(buffer,"   0018446744073709551615") && r==25,"#+25.22I64u conversion failed: '%s'\n", buffer);
 
     format = "%#+25.22I64u";
-    r = sprintf(buffer,format,(LONGLONG)-1);
+    r = p_sprintf(buffer,format,(LONGLONG)-1);
     ok(!strcmp(buffer,"   0018446744073709551615") && r==25,"#+25.22I64u failed: '%s'\n", buffer);
 
     format = "%#+30.25I64u";
-    r = sprintf(buffer,format,(LONGLONG)-1);
+    r = p_sprintf(buffer,format,(LONGLONG)-1);
     ok(!strcmp(buffer,"     0000018446744073709551615") && r==30,"#+30.25I64u failed: '%s'\n", buffer);
 
     format = "%+#25.22I64d";
-    r = sprintf(buffer,format,(LONGLONG)-1);
+    r = p_sprintf(buffer,format,(LONGLONG)-1);
     ok(!strcmp(buffer,"  -0000000000000000000001") && r==25,"+#25.22I64d failed: '%s'\n", buffer);
 
     format = "%#-8.5I64o";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer,"00144   ") && r==8,"-8.5I64o failed: '%s'\n", buffer);
 
     format = "%#-+ 08.5I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer,"+00100  ") && r==8,"'#-+ 08.5I64d failed: '%s'\n", buffer);
 
     format = "%#-+ 08.5I64d";
-    r = sprintf(buffer,format,(LONGLONG)100);
+    r = p_sprintf(buffer,format,(LONGLONG)100);
     ok(!strcmp(buffer,"+00100  ") && r==8,"#-+ 08.5I64d failed: '%s'\n", buffer);
 
     format = "%.80I64d";
-    r = sprintf(buffer,format,(LONGLONG)1);
+    r = p_sprintf(buffer,format,(LONGLONG)1);
     ok(r==80,"%s format failed\n", format);
 
     format = "% .80I64d";
-    r = sprintf(buffer,format,(LONGLONG)1);
+    r = p_sprintf(buffer,format,(LONGLONG)1);
     ok(r==81,"%s format failed\n", format);
 
     format = "% .80d";
-    r = sprintf(buffer,format,1);
+    r = p_sprintf(buffer,format,1);
     ok(r==81,"%s format failed\n", format);
 
     format = "%lld";
-    r = sprintf(buffer,format,((ULONGLONG)0xffffffff)*0xffffffff);
+    r = p_sprintf(buffer,format,((ULONGLONG)0xffffffff)*0xffffffff);
     ok( r == 1 || r == 11, "return count wrong %d\n", r);
     if (r == 11)  /* %ll works on Vista */
         ok(!strcmp(buffer, "-8589934591"), "Problem with \"ll\" interpretation '%s'\n", buffer);
@@ -297,17 +299,17 @@ static void test_sprintf( void )
         ok(!strcmp(buffer, "1"), "Problem with \"ll\" interpretation '%s'\n", buffer);
 
     format = "%I";
-    r = sprintf(buffer,format,1);
+    r = p_sprintf(buffer,format,1);
     ok(!strcmp(buffer, "I"), "Problem with \"I\" interpretation\n");
     ok( r==1, "return count wrong\n");
 
     format = "%I0d";
-    r = sprintf(buffer,format,1);
+    r = p_sprintf(buffer,format,1);
     ok(!strcmp(buffer,"I0d"),"I0d failed\n");
     ok( r==3, "return count wrong\n");
 
     format = "%I32d";
-    r = sprintf(buffer,format,1);
+    r = p_sprintf(buffer,format,1);
     if (r == 1)
     {
         ok(!strcmp(buffer,"1"),"I32d failed, got '%s'\n",buffer);
@@ -319,248 +321,248 @@ static void test_sprintf( void )
     }
 
     format = "%I64D";
-    r = sprintf(buffer,format,(LONGLONG)-1);
+    r = p_sprintf(buffer,format,(LONGLONG)-1);
     ok(!strcmp(buffer,"D"),"I64D failed: %s\n",buffer);
     ok( r==1, "return count wrong\n");
 
     format = "%zx";
-    r = sprintf(buffer,format,1);
+    r = p_sprintf(buffer,format,1);
     ok(!strcmp(buffer, "zx"), "Problem with \"z\" interpretation\n");
     ok( r==2, "return count wrong\n");
 
     format = "% d";
-    r = sprintf(buffer,format,1);
+    r = p_sprintf(buffer,format,1);
     ok(!strcmp(buffer, " 1"),"Problem with sign place-holder: '%s'\n",buffer);
     ok( r==2, "return count wrong\n");
 
     format = "%+ d";
-    r = sprintf(buffer,format,1);
+    r = p_sprintf(buffer,format,1);
     ok(!strcmp(buffer, "+1"),"Problem with sign flags: '%s'\n",buffer);
     ok( r==2, "return count wrong\n");
 
     format = "%S";
-    r = sprintf(buffer,format,wide);
+    r = p_sprintf(buffer,format,wide);
     ok(!strcmp(buffer,"wide"),"Problem with wide string format\n");
     ok( r==4, "return count wrong\n");
 
     format = "%04c";
-    r = sprintf(buffer,format,'1');
+    r = p_sprintf(buffer,format,'1');
     ok(!strcmp(buffer,"0001"),"Character not zero-prefixed \"%s\"\n",buffer);
     ok( r==4, "return count wrong\n");
 
     format = "%-04c";
-    r = sprintf(buffer,format,'1');
+    r = p_sprintf(buffer,format,'1');
     ok(!strcmp(buffer,"1   "),"Character zero-padded and/or not left-adjusted \"%s\"\n",buffer);
     ok( r==4, "return count wrong\n");
 
     format = "%#012x";
-    r = sprintf(buffer,format,1);
+    r = p_sprintf(buffer,format,1);
     ok(!strcmp(buffer,"0x0000000001"),"Hexadecimal zero-padded \"%s\"\n",buffer);
     ok( r==12, "return count wrong\n");
 
-    r = sprintf(buffer,format,0);
+    r = p_sprintf(buffer,format,0);
     ok(!strcmp(buffer,"000000000000"),"Hexadecimal zero-padded \"%s\"\n",buffer);
     ok( r==12, "return count wrong\n");
 
     format = "%#04.8x";
-    r = sprintf(buffer,format,1);
+    r = p_sprintf(buffer,format,1);
     ok(!strcmp(buffer,"0x00000001"), "Hexadecimal zero-padded precision \"%s\"\n",buffer);
     ok( r==10, "return count wrong\n");
 
-    r = sprintf(buffer,format,0);
+    r = p_sprintf(buffer,format,0);
     ok(!strcmp(buffer,"00000000"), "Hexadecimal zero-padded precision \"%s\"\n",buffer);
     ok( r==8, "return count wrong\n");
 
     format = "%#-08.2x";
-    r = sprintf(buffer,format,1);
+    r = p_sprintf(buffer,format,1);
     ok(!strcmp(buffer,"0x01    "), "Hexadecimal zero-padded not left-adjusted \"%s\"\n",buffer);
     ok( r==8, "return count wrong\n");
 
-    r = sprintf(buffer,format,0);
+    r = p_sprintf(buffer,format,0);
     ok(!strcmp(buffer,"00      "), "Hexadecimal zero-padded not left-adjusted \"%s\"\n",buffer);
     ok( r==8, "return count wrong\n");
 
     format = "%#.0x";
-    r = sprintf(buffer,format,1);
+    r = p_sprintf(buffer,format,1);
     ok(!strcmp(buffer,"0x1"), "Hexadecimal zero-padded zero-precision \"%s\"\n",buffer);
     ok( r==3, "return count wrong\n");
 
-    r = sprintf(buffer,format,0);
+    r = p_sprintf(buffer,format,0);
     ok(!strcmp(buffer,""), "Hexadecimal zero-padded zero-precision \"%s\"\n",buffer);
     ok( r==0, "return count wrong\n");
 
     format = "%#08o";
-    r = sprintf(buffer,format,1);
+    r = p_sprintf(buffer,format,1);
     ok(!strcmp(buffer,"00000001"), "Octal zero-padded \"%s\"\n",buffer);
     ok( r==8, "return count wrong\n");
 
     format = "%#o";
-    r = sprintf(buffer,format,1);
+    r = p_sprintf(buffer,format,1);
     ok(!strcmp(buffer,"01"), "Octal zero-padded \"%s\"\n",buffer);
     ok( r==2, "return count wrong\n");
 
-    r = sprintf(buffer,format,0);
+    r = p_sprintf(buffer,format,0);
     ok(!strcmp(buffer,"0"), "Octal zero-padded \"%s\"\n",buffer);
     ok( r==1, "return count wrong\n");
 
     if (sizeof(void *) == 8)
     {
         format = "%p";
-        r = sprintf(buffer,format,(void *)57);
+        r = p_sprintf(buffer,format,(void *)57);
         ok(!strcmp(buffer,"0000000000000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
         ok( r==16, "return count wrong\n");
 
         format = "%#020p";
-        r = sprintf(buffer,format,(void *)57);
+        r = p_sprintf(buffer,format,(void *)57);
         ok(!strcmp(buffer,"  0X0000000000000039"),"Pointer formatted incorrectly\n");
         ok( r==20, "return count wrong\n");
 
         format = "%Fp";
-        r = sprintf(buffer,format,(void *)57);
+        r = p_sprintf(buffer,format,(void *)57);
         ok(!strcmp(buffer,"0000000000000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
         ok( r==16, "return count wrong\n");
 
         format = "%Np";
-        r = sprintf(buffer,format,(void *)57);
+        r = p_sprintf(buffer,format,(void *)57);
         ok(!strcmp(buffer,"0000000000000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
         ok( r==16, "return count wrong\n");
 
         format = "%#-020p";
-        r = sprintf(buffer,format,(void *)57);
+        r = p_sprintf(buffer,format,(void *)57);
         ok(!strcmp(buffer,"0X0000000000000039  "),"Pointer formatted incorrectly\n");
         ok( r==20, "return count wrong\n");
 
         format = "%Ix %d";
-        r = sprintf(buffer,format,(size_t)0x12345678123456,1);
+        r = p_sprintf(buffer,format,(size_t)0x12345678123456,1);
         ok(!strcmp(buffer,"12345678123456 1"),"buffer = %s\n",buffer);
         ok( r==16, "return count wrong\n");
     }
     else
     {
         format = "%p";
-        r = sprintf(buffer,format,(void *)57);
+        r = p_sprintf(buffer,format,(void *)57);
         ok(!strcmp(buffer,"00000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
         ok( r==8, "return count wrong\n");
 
         format = "%#012p";
-        r = sprintf(buffer,format,(void *)57);
+        r = p_sprintf(buffer,format,(void *)57);
         ok(!strcmp(buffer,"  0X00000039"),"Pointer formatted incorrectly\n");
         ok( r==12, "return count wrong\n");
 
         format = "%Fp";
-        r = sprintf(buffer,format,(void *)57);
+        r = p_sprintf(buffer,format,(void *)57);
         ok(!strcmp(buffer,"00000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
         ok( r==8, "return count wrong\n");
 
         format = "%Np";
-        r = sprintf(buffer,format,(void *)57);
+        r = p_sprintf(buffer,format,(void *)57);
         ok(!strcmp(buffer,"00000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
         ok( r==8, "return count wrong\n");
 
         format = "%#-012p";
-        r = sprintf(buffer,format,(void *)57);
+        r = p_sprintf(buffer,format,(void *)57);
         ok(!strcmp(buffer,"0X00000039  "),"Pointer formatted incorrectly\n");
         ok( r==12, "return count wrong\n");
 
         format = "%Ix %d";
-        r = sprintf(buffer,format,0x123456,1);
+        r = p_sprintf(buffer,format,0x123456,1);
         ok(!strcmp(buffer,"123456 1"),"buffer = %s\n",buffer);
         ok( r==8, "return count wrong\n");
     }
 
     format = "%04s";
-    r = sprintf(buffer,format,"foo");
+    r = p_sprintf(buffer,format,"foo");
     ok(!strcmp(buffer,"0foo"),"String not zero-prefixed \"%s\"\n",buffer);
     ok( r==4, "return count wrong\n");
 
     format = "%.1s";
-    r = sprintf(buffer,format,"foo");
+    r = p_sprintf(buffer,format,"foo");
     ok(!strcmp(buffer,"f"),"Precision ignored \"%s\"\n",buffer);
     ok( r==1, "return count wrong\n");
 
     format = "%.*s";
-    r = sprintf(buffer,format,1,"foo");
+    r = p_sprintf(buffer,format,1,"foo");
     ok(!strcmp(buffer,"f"),"Precision ignored \"%s\"\n",buffer);
     ok( r==1, "return count wrong\n");
 
     format = "%*s";
-    r = sprintf(buffer,format,-5,"foo");
+    r = p_sprintf(buffer,format,-5,"foo");
     ok(!strcmp(buffer,"foo  "),"Negative field width ignored \"%s\"\n",buffer);
     ok( r==5, "return count wrong\n");
 
     format = "hello";
-    r = sprintf(buffer, format);
+    r = p_sprintf(buffer, format);
     ok(!strcmp(buffer,"hello"), "failed\n");
     ok( r==5, "return count wrong\n");
 
     format = "%ws";
-    r = sprintf(buffer, format, wide);
+    r = p_sprintf(buffer, format, wide);
     ok(!strcmp(buffer,"wide"), "failed\n");
     ok( r==4, "return count wrong\n");
 
     format = "%-10ws";
-    r = sprintf(buffer, format, wide );
+    r = p_sprintf(buffer, format, wide );
     ok(!strcmp(buffer,"wide      "), "failed\n");
     ok( r==10, "return count wrong\n");
 
     format = "%10ws";
-    r = sprintf(buffer, format, wide );
+    r = p_sprintf(buffer, format, wide );
     ok(!strcmp(buffer,"      wide"), "failed\n");
     ok( r==10, "return count wrong\n");
 
     format = "%#+ -03whlls";
-    r = sprintf(buffer, format, wide );
+    r = p_sprintf(buffer, format, wide );
     ok(!strcmp(buffer,"wide"), "failed\n");
     ok( r==4, "return count wrong\n");
 
     format = "%w0s";
-    r = sprintf(buffer, format, wide );
+    r = p_sprintf(buffer, format, wide );
     ok(!strcmp(buffer,"0s"), "failed\n");
     ok( r==2, "return count wrong\n");
 
     format = "%w-s";
-    r = sprintf(buffer, format, wide );
+    r = p_sprintf(buffer, format, wide );
     ok(!strcmp(buffer,"-s"), "failed\n");
     ok( r==2, "return count wrong\n");
 
     format = "%ls";
-    r = sprintf(buffer, format, wide );
+    r = p_sprintf(buffer, format, wide );
     ok(!strcmp(buffer,"wide"), "failed\n");
     ok( r==4, "return count wrong\n");
 
     format = "%Ls";
-    r = sprintf(buffer, format, "not wide" );
+    r = p_sprintf(buffer, format, "not wide" );
     ok(!strcmp(buffer,"not wide"), "failed\n");
     ok( r==8, "return count wrong\n");
 
     format = "%b";
-    r = sprintf(buffer, format);
+    r = p_sprintf(buffer, format);
     ok(!strcmp(buffer,"b"), "failed\n");
     ok( r==1, "return count wrong\n");
 
     format = "%3c";
-    r = sprintf(buffer, format,'a');
+    r = p_sprintf(buffer, format,'a');
     ok(!strcmp(buffer,"  a"), "failed\n");
     ok( r==3, "return count wrong\n");
 
     format = "%3d";
-    r = sprintf(buffer, format,1234);
+    r = p_sprintf(buffer, format,1234);
     ok(!strcmp(buffer,"1234"), "failed\n");
     ok( r==4, "return count wrong\n");
 
     format = "%3h";
-    r = sprintf(buffer, format);
+    r = p_sprintf(buffer, format);
     ok(!strcmp(buffer,""), "failed\n");
     ok( r==0, "return count wrong\n");
 
     format = "%j%k%m%q%r%t%v%y%z";
-    r = sprintf(buffer, format);
+    r = p_sprintf(buffer, format);
     ok(!strcmp(buffer,"jkmqrtvyz"), "failed\n");
     ok( r==9, "return count wrong\n");
 
     format = "asdf%n";
     x = 0;
-    r = sprintf(buffer, format, &x );
+    r = p_sprintf(buffer, format, &x );
     if (r == -1)
     {
         /* %n format is disabled by default on vista */
@@ -575,77 +577,77 @@ static void test_sprintf( void )
     }
 
     format = "%-1d";
-    r = sprintf(buffer, format,2);
+    r = p_sprintf(buffer, format,2);
     ok(!strcmp(buffer,"2"), "failed\n");
     ok( r==1, "return count wrong\n");
 
     format = "%2.4f";
-    r = sprintf(buffer, format,8.6);
+    r = p_sprintf(buffer, format,8.6);
     ok(!strcmp(buffer,"8.6000"), "failed\n");
     ok( r==6, "return count wrong\n");
 
     format = "%0f";
-    r = sprintf(buffer, format,0.6);
+    r = p_sprintf(buffer, format,0.6);
     ok(!strcmp(buffer,"0.600000"), "failed\n");
     ok( r==8, "return count wrong\n");
 
     format = "%.0f";
-    r = sprintf(buffer, format,0.6);
+    r = p_sprintf(buffer, format,0.6);
     ok(!strcmp(buffer,"1"), "failed\n");
     ok( r==1, "return count wrong\n");
 
     format = "%2.4e";
-    r = sprintf(buffer, format,8.6);
+    r = p_sprintf(buffer, format,8.6);
     ok(!strcmp(buffer,"8.6000e+000"), "failed\n");
     ok( r==11, "return count wrong\n");
 
     format = "% 2.4e";
-    r = sprintf(buffer, format,8.6);
+    r = p_sprintf(buffer, format,8.6);
     ok(!strcmp(buffer," 8.6000e+000"), "failed: %s\n", buffer);
     ok( r==12, "return count wrong\n");
 
     format = "% 014.4e";
-    r = sprintf(buffer, format,8.6);
+    r = p_sprintf(buffer, format,8.6);
     ok(!strcmp(buffer," 008.6000e+000"), "failed: %s\n", buffer);
     ok( r==14, "return count wrong\n");
 
     format = "% 2.4e";
-    r = sprintf(buffer, format,-8.6);
+    r = p_sprintf(buffer, format,-8.6);
     ok(!strcmp(buffer,"-8.6000e+000"), "failed: %s\n", buffer);
     ok( r==12, "return count wrong\n");
 
     format = "%+2.4e";
-    r = sprintf(buffer, format,8.6);
+    r = p_sprintf(buffer, format,8.6);
     ok(!strcmp(buffer,"+8.6000e+000"), "failed: %s\n", buffer);
     ok( r==12, "return count wrong\n");
 
     format = "%2.4g";
-    r = sprintf(buffer, format,8.6);
+    r = p_sprintf(buffer, format,8.6);
     ok(!strcmp(buffer,"8.6"), "failed\n");
     ok( r==3, "return count wrong\n");
 
     format = "%-i";
-    r = sprintf(buffer, format,-1);
+    r = p_sprintf(buffer, format,-1);
     ok(!strcmp(buffer,"-1"), "failed\n");
     ok( r==2, "return count wrong\n");
 
     format = "%-i";
-    r = sprintf(buffer, format,1);
+    r = p_sprintf(buffer, format,1);
     ok(!strcmp(buffer,"1"), "failed\n");
     ok( r==1, "return count wrong\n");
 
     format = "%+i";
-    r = sprintf(buffer, format,1);
+    r = p_sprintf(buffer, format,1);
     ok(!strcmp(buffer,"+1"), "failed\n");
     ok( r==2, "return count wrong\n");
 
     format = "%o";
-    r = sprintf(buffer, format,10);
+    r = p_sprintf(buffer, format,10);
     ok(!strcmp(buffer,"12"), "failed\n");
     ok( r==2, "return count wrong\n");
 
     format = "%p";
-    r = sprintf(buffer, format,0);
+    r = p_sprintf(buffer, format,0);
     if (sizeof(void *) == 8)
     {
         ok(!strcmp(buffer,"0000000000000000"), "failed\n");
@@ -658,144 +660,144 @@ static void test_sprintf( void )
     }
 
     format = "%s";
-    r = sprintf(buffer, format,0);
+    r = p_sprintf(buffer, format,0);
     ok(!strcmp(buffer,"(null)"), "failed\n");
     ok( r==6, "return count wrong\n");
 
     format = "%s";
-    r = sprintf(buffer, format,"%%%%");
+    r = p_sprintf(buffer, format,"%%%%");
     ok(!strcmp(buffer,"%%%%"), "failed\n");
     ok( r==4, "return count wrong\n");
 
     format = "%u";
-    r = sprintf(buffer, format,-1);
+    r = p_sprintf(buffer, format,-1);
     ok(!strcmp(buffer,"4294967295"), "failed\n");
     ok( r==10, "return count wrong\n");
 
     format = "%w";
-    r = sprintf(buffer, format,-1);
+    r = p_sprintf(buffer, format,-1);
     ok(!strcmp(buffer,""), "failed\n");
     ok( r==0, "return count wrong\n");
 
     format = "%h";
-    r = sprintf(buffer, format,-1);
+    r = p_sprintf(buffer, format,-1);
     ok(!strcmp(buffer,""), "failed\n");
     ok( r==0, "return count wrong\n");
 
     format = "%z";
-    r = sprintf(buffer, format,-1);
+    r = p_sprintf(buffer, format,-1);
     ok(!strcmp(buffer,"z"), "failed\n");
     ok( r==1, "return count wrong\n");
 
     format = "%j";
-    r = sprintf(buffer, format,-1);
+    r = p_sprintf(buffer, format,-1);
     ok(!strcmp(buffer,"j"), "failed\n");
     ok( r==1, "return count wrong\n");
 
     format = "%F";
-    r = sprintf(buffer, format,-1);
+    r = p_sprintf(buffer, format,-1);
     ok(!strcmp(buffer,""), "failed\n");
     ok( r==0, "return count wrong\n");
 
     format = "%N";
-    r = sprintf(buffer, format,-1);
+    r = p_sprintf(buffer, format,-1);
     ok(!strcmp(buffer,""), "failed\n");
     ok( r==0, "return count wrong\n");
 
     format = "%H";
-    r = sprintf(buffer, format,-1);
+    r = p_sprintf(buffer, format,-1);
     ok(!strcmp(buffer,"H"), "failed\n");
     ok( r==1, "return count wrong\n");
 
     format = "x%cx";
-    r = sprintf(buffer, format, 0x100+'X');
+    r = p_sprintf(buffer, format, 0x100+'X');
     ok(!strcmp(buffer,"xXx"), "failed\n");
     ok( r==3, "return count wrong\n");
 
     format = "%%0";
-    r = sprintf(buffer, format);
+    r = p_sprintf(buffer, format);
     ok(!strcmp(buffer,"%0"), "failed: \"%s\"\n", buffer);
     ok( r==2, "return count wrong\n");
 
     format = "%hx";
-    r = sprintf(buffer, format, 0x12345);
+    r = p_sprintf(buffer, format, 0x12345);
     ok(!strcmp(buffer,"2345"), "failed \"%s\"\n", buffer);
 
     format = "%hhx";
-    r = sprintf(buffer, format, 0x123);
+    r = p_sprintf(buffer, format, 0x123);
     ok(!strcmp(buffer,"123"), "failed: \"%s\"\n", buffer);
-    r = sprintf(buffer, format, 0x12345);
+    r = p_sprintf(buffer, format, 0x12345);
     ok(!strcmp(buffer,"2345"), "failed \"%s\"\n", buffer);
 
     format = "%lf";
-    r = sprintf(buffer, format, IND);
+    r = p_sprintf(buffer, format, IND);
     ok(r==9, "r = %d\n", r);
     ok(!strcmp(buffer, "-1.#IND00"), "failed: \"%s\"\n", buffer);
-    r = sprintf(buffer, format, NAN);
+    r = p_sprintf(buffer, format, NAN);
     ok(r==8, "r = %d\n", r);
     ok(!strcmp(buffer, "1.#QNAN0"), "failed: \"%s\"\n", buffer);
-    r = sprintf(buffer, format, INFINITY);
+    r = p_sprintf(buffer, format, INFINITY);
     ok(r==8, "r = %d\n", r);
     ok(!strcmp(buffer, "1.#INF00"), "failed: \"%s\"\n", buffer);
 
     format = "%le";
-    r = sprintf(buffer, format, IND);
+    r = p_sprintf(buffer, format, IND);
     ok(r==14, "r = %d\n", r);
     ok(!strcmp(buffer, "-1.#IND00e+000"), "failed: \"%s\"\n", buffer);
-    r = sprintf(buffer, format, NAN);
+    r = p_sprintf(buffer, format, NAN);
     ok(r==13, "r = %d\n", r);
     ok(!strcmp(buffer, "1.#QNAN0e+000"), "failed: \"%s\"\n", buffer);
-    r = sprintf(buffer, format, INFINITY);
+    r = p_sprintf(buffer, format, INFINITY);
     ok(r==13, "r = %d\n", r);
     ok(!strcmp(buffer, "1.#INF00e+000"), "failed: \"%s\"\n", buffer);
 
     format = "%lg";
-    r = sprintf(buffer, format, IND);
+    r = p_sprintf(buffer, format, IND);
     ok(r==7, "r = %d\n", r);
     ok(!strcmp(buffer, "-1.#IND"), "failed: \"%s\"\n", buffer);
-    r = sprintf(buffer, format, NAN);
+    r = p_sprintf(buffer, format, NAN);
     ok(r==7, "r = %d\n", r);
     ok(!strcmp(buffer, "1.#QNAN"), "failed: \"%s\"\n", buffer);
-    r = sprintf(buffer, format, INFINITY);
+    r = p_sprintf(buffer, format, INFINITY);
     ok(r==6, "r = %d\n", r);
     ok(!strcmp(buffer, "1.#INF"), "failed: \"%s\"\n", buffer);
 
     format = "%010.2lf";
-    r = sprintf(buffer, format, IND);
+    r = p_sprintf(buffer, format, IND);
     ok(r==10, "r = %d\n", r);
     ok(!strcmp(buffer, "-000001.#J"), "failed: \"%s\"\n", buffer);
-    r = sprintf(buffer, format, NAN);
+    r = p_sprintf(buffer, format, NAN);
     ok(r==10, "r = %d\n", r);
     ok(!strcmp(buffer, "0000001.#R"), "failed: \"%s\"\n", buffer);
-    r = sprintf(buffer, format, INFINITY);
+    r = p_sprintf(buffer, format, INFINITY);
     ok(r==10, "r = %d\n", r);
     ok(!strcmp(buffer, "0000001.#J"), "failed: \"%s\"\n", buffer);
 
     format = "%c";
-    r = sprintf(buffer, format, 'a');
+    r = p_sprintf(buffer, format, 'a');
     ok(r==1, "r = %d\n", r);
     ok(!strcmp(buffer, "a"), "failed: \"%s\"\n", buffer);
-    r = sprintf(buffer, format, 0xa082);
+    r = p_sprintf(buffer, format, 0xa082);
     ok(r==1, "r = %d\n", r);
     ok(!strcmp(buffer, "\x82"), "failed: \"%s\"\n", buffer);
 
     format = "%C";
-    r = sprintf(buffer, format, 'a');
+    r = p_sprintf(buffer, format, 'a');
     ok(r==1, "r = %d\n", r);
     ok(!strcmp(buffer, "a"), "failed: \"%s\"\n", buffer);
-    r = sprintf(buffer, format, 0x3042);
+    r = p_sprintf(buffer, format, 0x3042);
     ok(r==0, "r = %d\n", r);
     ok(!strcmp(buffer, ""), "failed: \"%s\"\n", buffer);
 
     format = "a%Cb";
-    r = sprintf(buffer, format, 0x3042);
+    r = p_sprintf(buffer, format, 0x3042);
     ok(r==2, "r = %d\n", r);
     ok(!strcmp(buffer, "ab"), "failed: \"%s\"\n", buffer);
 
     format = "%S";
     buf_w[0] = 0x3042;
     buf_w[1] = 0;
-    r = sprintf(buffer, format, buf_w);
+    r = p_sprintf(buffer, format, buf_w);
     ok(r==-1 || broken(!r), "r = %d\n", r);
 
     if(!setlocale(LC_ALL, "Japanese_Japan.932")) {
@@ -804,12 +806,12 @@ static void test_sprintf( void )
     }
 
     format = "%c";
-    r = sprintf(buffer, format, 0xa082);
+    r = p_sprintf(buffer, format, 0xa082);
     ok(r==1, "r = %d\n", r);
     ok(!strcmp(buffer, "\x82"), "failed: \"%s\"\n", buffer);
 
     format = "%C";
-    r = sprintf(buffer, format, 0x3042);
+    r = p_sprintf(buffer, format, 0x3042);
     ok(r==2, "r = %d\n", r);
     ok(!strcmp(buffer, "\x82\xa0"), "failed: \"%s\"\n", buffer);
 
@@ -1511,14 +1513,14 @@ static void test__get_output_format(void)
     ret = p__get_output_format();
     ok(ret == 0, "got %d\n", ret);
 
-    c = sprintf(buf, "%E", 1.23);
+    c = p_sprintf(buf, "%E", 1.23);
     ok(c == 13, "c = %d\n", c);
     ok(!strcmp(buf, "1.230000E+000"), "buf = %s\n", buf);
 
     ret = p__set_output_format(_TWO_DIGIT_EXPONENT);
     ok(ret == 0, "got %d\n", ret);
 
-    c = sprintf(buf, "%E", 1.23);
+    c = p_sprintf(buf, "%E", 1.23);
     ok(c == 12, "c = %d\n", c);
     ok(!strcmp(buf, "1.230000E+00"), "buf = %s\n", buf);