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BASENAME(3) BSD Library Functions Manual BASENAME(3) NAME basename -- extract the base portion of a pathname SYNOPSIS #include <libgen.h> char * basename(char *path); DESCRIPTION The basename() function returns the last component from the pathname pointed to by path, deleting any trailing `/' characters. If path con-sists consists sists entirely of `/' characters, a pointer to the string "/" is returned. If path is a null pointer or the empty string, a pointer to the string "." is returned. RETURN VALUES On successful completion, basename() returns a pointer to the last compo-nent component nent of path. If basename() fails, a null pointer is returned and the global variable errno is set to indicate the error. ERRORS The following error codes may be set in errno: [ENAMETOOLONG] The path component to be returned was larger than MAXPATHLEN. WARNINGS The basename() function returns a pointer to internal static storage space that will be overwritten by subsequent calls. The function may modify the string pointed to by path. LEGACY SYNOPSIS #include <libgen.h> char * basename(const char *path); In legacy mode, path will not be changed. SEE ALSO basename(1), dirname(1), dirname(3), compat(5) STANDARDS The basename() function conforms to X/Open Portability Guide Issue 4, Version 2 (``XPG4.2''). HISTORY The basename() function first appeared in OpenBSD 2.2 and FreeBSD 4.2. AUTHORS Todd C. Miller <Todd.Miller@courtesan.com> BSD August 17, 1997 BSD |