20 lines
438 B
C
20 lines
438 B
C
int strcmp(const char *s1, const char *s2)
|
|
{
|
|
int i;
|
|
for (i = 0; s1[i] == s2[i]; i++)
|
|
if (s1[i] == '\0')
|
|
return 0;
|
|
|
|
return s1[i] - s2[i];
|
|
}
|
|
|
|
int strncmp(const char *s1, const char *s2, unsigned int n)
|
|
{
|
|
for (; n > 0; s1++, s2++, --n)
|
|
if (*s1 != *s2)
|
|
return ((*(unsigned char *)s1 < *(unsigned char *)s2) ? -1 : 1);
|
|
else if (*s1 == '\0')
|
|
return 0;
|
|
return 0;
|
|
}
|