[unix-history] / usr / src / lib / libc / string / strdup.3

.\" Copyright (c) 1990 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" %sccs.include.redist.man%
.\"
.\"	@(#)strdup.3	5.1 (Berkeley) %G%
.\"
.TH STRDUP 3 ""
.UC 7
.SH NAME
strdup \- save a copy of a string
.SH SYNOPSIS
.nf
.ft B
#include <string.h>

char *
strdup(const char *str);
.ft R
.fi
.SH DESCRIPTION
.I Strdup
allocates sufficient memory for a copy of the string
.IR str ,
does the copy, and returns a pointer to it.
The pointer may subsequently be used as an argument to the function
.IR free (3).
.PP
.I Strdup
returns NULL if unable to allocate the necessary memory.
.SH SEE ALSO
malloc(3)
Commit	Line	Data
03623f75 KB	1	.\" Copyright (c) 1990 The Regents of the University of California.
	2	.\" All rights reserved.
	3	.\"
	4	.\" %sccs.include.redist.man%
	5	.\"
	6	.\" @(#)strdup.3 5.1 (Berkeley) %G%
	7	.\"
	8	.TH STRDUP 3 ""
	9	.UC 7
	10	.SH NAME
	11	strdup \- save a copy of a string
	12	.SH SYNOPSIS
	13	.nf
	14	.ft B
	15	#include <string.h>
	16
	17	char *
	18	strdup(const char *str);
	19	.ft R
	20	.fi
	21	.SH DESCRIPTION
	22	.I Strdup
	23	allocates sufficient memory for a copy of the string
	24	.IR str ,
	25	does the copy, and returns a pointer to it.
	26	The pointer may subsequently be used as an argument to the function
	27	.IR free (3).
	28	.PP
	29	.I Strdup
	30	returns NULL if unable to allocate the necessary memory.
	31	.SH SEE ALSO
	32	malloc(3)