ref: 9cd55a085de274abb937a2d586b3d0a4e4d0e1b1 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; }