trampoline/lib/lib9/cistrcmp.c

27 lines
323 B
C

#include <u.h>
#include <libc.h>
int
cistrcmp(char *s1, char *s2)
{
int c1, c2;
while(*s1){
c1 = *(uchar*)s1++;
c2 = *(uchar*)s2++;
if(c1 == c2)
continue;
if(c1 >= 'A' && c1 <= 'Z')
c1 -= 'A' - 'a';
if(c2 >= 'A' && c2 <= 'Z')
c2 -= 'A' - 'a';
if(c1 != c2)
return c1 - c2;
}
return -*s2;
}