P8000/WEGA/contrib/lcc/lib/libc/port/gen/memccpy.c

16 lines
352 B
C

/*
* Copy s2 to s1, stopping if character c is copied. Copy no more than n bytes.
* Return a pointer to the byte after character c in the copy,
* or NULL if c is not found in the first n bytes.
*/
char *
memccpy(s1, s2, c, n)
register char *s1, *s2;
register int c, n;
{
while (--n >= 0)
if ((*s1++ = *s2++) == c)
return (s1);
return (0);
}