Plan 9 from Bell Labs’s /usr/web/sources/contrib/quanstro/locktest/threadmcs/test.c
#include <u.h> #include <libc.h> void printabcd(int a, int b, int c, int d) { print("%d %d %d %d\n", a, b, c, d); } void main(int argc, char **argv) { printabcd(atoi(argv[0]), atoi(argv[1]), atoi(argv[2]), atoi(argv[3])); }