ref: 6f8c1d7f79efb396a76a98833eb2cc31f0236c03 dir: /sys/src/libc/port/strcat.c/
#include <u.h> #include <libc.h> char* strcat(char *s1, char *s2) { strcpy(strchr(s1, 0), s2); return s1; }