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31 .\" @(#)realpath.3 8.2 (Berkeley) 2/16/94
38 .Nd returns the canonicalized absolute pathname
44 .Fn realpath "const char * restrict pathname" "char * restrict resolved_path"
48 function resolves all symbolic links, extra
50 characters and references to
56 and copies the resulting absolute pathname into
57 the memory pointed to by
63 point to a buffer capable of storing at least
70 function will resolve both absolute and relative paths
71 and return the absolute pathname corresponding to
77 is called, and all but the last component must name either directories or
78 symlinks pointing to the directories.
85 If the function was supplied
89 and operation did not cause errors, the returned value is
90 a null-terminated string in a buffer allocated by a call to
100 the array that it points to contains the pathname which caused the problem.
104 may fail and set the external variable
106 for any of the errors specified for the library functions
116 .\" function conforms to
117 .\" .St -p1003.1-2001 .
121 function first appeared in
124 This implementation of
126 differs slightly from the Solaris implementation.
129 version always returns absolute pathnames,
130 whereas the Solaris implementation will,
131 under certain circumstances, return a relative
133 when given a relative