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size_t
UNIOP(strlen)(const UNIOP_t *u)
{
int res = 0;
while(*u++)
res++;
return res;
}
UNIOP_t*
UNIOP(strcpy)(UNIOP_t *s1, const UNIOP_t *s2)
{
UNIOP_t *u = s1;
while ((*u++ = *s2++));
return s1;
}
UNIOP_t*
UNIOP(strncpy)(UNIOP_t *s1, const UNIOP_t *s2, size_t n)
{
UNIOP_t *u = s1;
while ((*u++ = *s2++))
if (n-- == 0)
break;
return s1;
}
UNIOP_t*
UNIOP(strcat)(UNIOP_t *s1, const UNIOP_t *s2)
{
UNIOP_t *u1 = s1;
u1 += UNIOP(strlen(u1));
UNIOP(strcpy(u1, s2));
return s1;
}
int
UNIOP(strcmp)(const UNIOP_t *s1, const UNIOP_t *s2)
{
while (*s1 && *s2 && *s1 == *s2)
s1++, s2++;
if (*s1 && *s2)
return (*s1 < *s2) ? -1 : +1;
if (*s1)
return 1;
if (*s2)
return -1;
return 0;
}
int
UNIOP(strncmp)(const UNIOP_t *s1, const UNIOP_t *s2, size_t n)
{
register UNIOP_t u1, u2;
for (; n != 0; n--) {
u1 = *s1;
u2 = *s2;
if (u1 != u2)
return (u1 < u2) ? -1 : +1;
if (u1 == '\0')
return 0;
s1++;
s2++;
}
return 0;
}
UNIOP_t*
UNIOP(strchr)(const UNIOP_t *s, UNIOP_t c)
{
const UNIOP_t *p;
for (p = s; *p; p++)
if (*p == c)
return (UNIOP_t*)p;
return NULL;
}
UNIOP_t*
UNIOP(strrchr)(const UNIOP_t *s, UNIOP_t c)
{
const UNIOP_t *p;
p = s + UNIOP(strlen)(s);
while (p != s) {
p--;
if (*p == c)
return (UNIOP_t*)p;
}
return NULL;
}
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