?? strncat.c
字號:
/* * Concatenate s2 on the end of s1. S1's space must be large enough. * At most n characters are moved. * Return s1. */char *strncat(s1, s2, n)register char *s1, *s2;register n;{ register char *os1; os1 = s1; while (*s1++) ; --s1; while (*s1++ = *s2++) if (--n < 0) { *--s1 = '\0'; break; } return(os1);}
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