strcpy

STRCPY(3)		  Linux Programmer’s Manual		    STRCPY(3)



NAME
       strcpy, strncpy - copy a string

SYNOPSIS
       #include <string.h>

       char *strcpy(char *dest, const char *src);

       char *strncpy(char *dest, const char *src, size_t n);

DESCRIPTION
       The  strcpy()  function copies the string pointed to by src (including
       the terminating ‘\0’ character) to the array pointed to by dest.	  The
       strings may not overlap, and the destination string dest must be large
       enough to receive the copy.

       The strncpy() function is similar, except that not more than  n	bytes
       of  src	are  copied. Thus, if there is no null byte among the first n
       bytes of src, the result will not be null-terminated.

       In the case where the length of src  is	less  than  that  of  n,  the
       remainder of dest will be padded with nulls.

RETURN VALUE
       The  strcpy() and strncpy() functions return a pointer to the destina-
       tion string dest.

BUGS
       If the destination string of a strcpy() is not large enough (that  is,
       if the programmer was stupid/lazy, and failed to check the size before
       copying) then anything might happen.  Overflowing fixed length strings
       is a favourite cracker technique.

CONFORMING TO
       SVID 3, POSIX, BSD 4.3, ISO 9899

SEE ALSO
       bcopy(3), memccpy(3), memcpy(3), memmove(3), wcscpy(3), wcsncpy(3)



GNU				  1993-04-11			    STRCPY(3)