Linux Standard Base Core Specification, Generic Part
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getcwd

Name

getcwd -- get the pathname of the current working directory

Synopsis

#include <unistd.h>

char * getcwd(char * buf, size_t size);

Description

The getcwd() functions shall behave as described in POSIX 1003.1-2008 (ISO/IEC 9945-2009), except as noted below.

Differences

If buf is NULL, memory is allocated for buf. If size is 0, the allocation size will be the size of the pathname +1, else the requested size is allocated.

Changed or Added Errors

EINVAL		The `size` argument is `0` and `buf` is not a null pointer.
ENOENT		The current working directory has been unlinked.

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