ref: 13b1ea74932158069ab1f4c584db81477d9f3551
dir: /sys/src/libc/port/memccpy.c/
#include <u.h> #include <libc.h> void* memccpy(void *a1, void *a2, int c, usize n) { uchar *s1, *s2; s1 = a1; s2 = a2; c &= 0xFF; while(n > 0) { if((*s1++ = *s2++) == c) return s1; n--; } return 0; }