#include /* * Copy s2 to s1, truncating or null-padding to always copy n bytes. * Return s1. */ char *strncpy(char *s1, const char *s2, int n) NONBANKED { int i; char *os1; os1 = s1; for(i = 0; i < n; i++) if((*s1++ = *s2++) == '\0') { while(++i < n) *s1++ = '\0'; return os1; } return os1; }