ref: 84f6061a92d92f6f0136f7d6ab42fa03c38d5a78 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; }