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Man Pages


Manual Reference Pages  -  STRDUP (3)

NAME

strdup, strndup - save a copy of a string

CONTENTS

Library
Synopsis
Description
See Also
History

LIBRARY


.Lb libc

SYNOPSIS


.In string.h char * strdup const char *str char * strndup const char *str size_t len

DESCRIPTION

The strdup function allocates sufficient memory for a copy of the string str, does the copy, and returns a pointer to it. The pointer may subsequently be used as an argument to the function free(3).

If insufficient memory is available, NULL is returned and errno is set to ENOMEM.

The strndup function copies at most len characters from the string str always NUL terminating the copied string.

SEE ALSO

free(3), malloc(3), wcsdup(3)

HISTORY

The strdup function first appeared in BSD 4.4 . The strndup function was added in
.Fx 7.2 .
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