.TH REALPATH 3  "December 3, 2009"
.UC 4
.SH NAME
realpath \- resolve a pathname
.SH SYNOPSIS
.nf
.ft B
#include <stdlib.h>

char *realpath(const char *\fIfile_name\fP, char *\fIresolved_name\fP);
.fi
.SH DESCRIPTION
realpath finds an absolute path to \fIfile_name\fP which does not
contain . and .. components or symbolic links. The absolute path is stored
in \fIresolved_name\fP, which is expected to provide storage for at least
MAX_PATH bytes.
.SH "RETURN VALUE
If the function succeeds, a pointer to \fIresolved_name\fP is returned.
If the function fails, NULL is returned and errno is set to indicate the
cause of the failure.