Manpage of STPNCPY
STPNCPYSection: Linux Programmer's Manual (3)
NAMEstpncpy - copy a fixed-size string, returning a pointer to its end
#include <string.h>char *stpncpy(char *dest, const char *src, size_t n);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
- Since glibc 2.10:
- _POSIX_C_SOURCE >= 200809L
- Before glibc 2.10:
DESCRIPTIONThe stpncpy() function copies at most ncharacters from the string pointed to by src, including the terminating null byte (aq\0aq), to the array pointed to by dest. Exactly ncharacters are written at dest. If the length strlen(src)is smaller than n, the remaining characters in the array pointed to by destare filled with null bytes (aq\0aq), If the length strlen(src)is greater than or equal to n, the string pointed to by destwill not be null-terminated.
The strings may not overlap.
RETURN VALUEstpncpy() returns a pointer to the terminating null byte in dest, or, if destis not null-terminated, dest+n.
ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7).
CONFORMING TOThis function was added to POSIX.1-2008. Before that, it was a GNU extension. It first appeared in version 1.07 of the GNU C library in 1993.
SEE ALSOstrncpy(3), wcpncpy(3)
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