ref: 703b0d3e6d8d68eb5ca36866386a3d9c47ec2a15
dir: /sys/src/libc/port/strncpy.c/
#include <u.h> #include <libc.h> char* strncpy(char *s1, char *s2, long n) { 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; }