ref: 339112abc350b0b50ed49a1c92911506025117c7
dir: /sys/src/ape/lib/ap/gen/strncmp.c/
#include <string.h> int strncmp(const char *s1, const char *s2, size_t n) { unsigned c1, c2; long nn; nn = n; while(nn > 0) { c1 = *s1++; c2 = *s2++; nn--; if(c1 != c2) { if(c1 > c2) return 1; return -1; } if(c1 == 0) break; } return 0; }