ref: 056eb9f7d8b1a577f7029e3d0e6d40cf6c2e86b0 dir: /sys/src/ape/lib/ap/gen/memset.c/
#include <string.h> void* memset(void *ap, int c, size_t n) { char *p; p = ap; while(n > 0) { *p++ = c; n--; } return ap; }