ref: 51f76ae999813bdbf33b06bb4e6c6c8b00f4aec8
dir: /sys/src/libc/port/strncmp.c/
#include <u.h> #include <libc.h> int strncmp(char *s1, char *s2, long n) { unsigned c1, c2; while(n > 0) { c1 = *s1++; c2 = *s2++; n--; if(c1 != c2) { if(c1 > c2) return 1; return -1; } if(c1 == 0) break; } return 0; }