Function Categories

File Management Functions

The SAS/C library provides a number of file management functions that enable you to interact with the file system in various ways. For example, functions are provided to test and change file attributes, remove or rename files, and search for all files whose names match a pattern. The file management functions are

access test for the existence and access privileges of a file

_access test for USS HFS file existence or access privileges

chdir change the USS working directory

chmod change the protection bits of an USS HFS file

cmsdfind find the first CMS fileid matching a pattern

cmsdnext find the next CMS fileid matching a pattern

cmsffind find the first CMS fileid matching a pattern

cmsfnext find the next CMS fileid matching a pattern

cmsfquit release data held by cmsffind

cmsstat fill in a structure with information about a CMS file

fchmod change the protection bits of an USS file

fstat get status information for an USS file

getcwd return the name of the USS working directory

link create a hard link to an existing USS file

lstat get status information about an USS file or symbolic link

mkdir create a new USS directory

mkfifo create an USS FIFO special file

oeddinfo get information about a DD statement allocated to an USS HFS file

osddinfo obtain information about a data set by DDname

osdfind find the first OS/390 file/member matching a pattern

osdnext find the next OS/390 file/member matching a pattern

osdquit terminate OS/390 file/member search

osdsinfo obtain information about an OS/390 data set by dsname

pfsctl pass command and arguments to a physical file system (PFS)

readlink read the contents of an USS symbolic link

remove delete a file

rename rename a file

_rename rename an USS disk file or directory

rmdir remove an empty USS directory

sfsstat return information about a CMS shared file system file or directory

stat get status information for an USS file

symlink create a symbolic link to an USS file

unlink delete a file

_unlink delete an USS HFS file

utime update the access and modification times for an USS file.

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`access`	test for the existence and access privileges of a file
`_access`	test for USS HFS file existence or access privileges
`chdir`	change the USS working directory
`chmod`	change the protection bits of an USS HFS file
`cmsdfind`	find the first CMS fileid matching a pattern
`cmsdnext`	find the next CMS fileid matching a pattern
`cmsffind`	find the first CMS fileid matching a pattern
`cmsfnext`	find the next CMS fileid matching a pattern
`cmsfquit`	release data held by `cmsffind`
`cmsstat`	fill in a structure with information about a CMS file
`fchmod`	change the protection bits of an USS file
`fstat`	get status information for an USS file
`getcwd`	return the name of the USS working directory
`link`	create a hard link to an existing USS file
`lstat`	get status information about an USS file or symbolic link
`mkdir`	create a new USS directory
`mkfifo`	create an USS FIFO special file
`oeddinfo`	get information about a DD statement allocated to an USS HFS file
`osddinfo`	obtain information about a data set by DDname
`osdfind`	find the first OS/390 file/member matching a pattern
`osdnext`	find the next OS/390 file/member matching a pattern
`osdquit`	terminate OS/390 file/member search
`osdsinfo`	obtain information about an OS/390 data set by dsname
`pfsctl`	pass command and arguments to a physical file system (PFS)
`readlink`	read the contents of an USS symbolic link
`remove`	delete a file
`rename`	rename a file
`_rename`	rename an USS disk file or directory
`rmdir`	remove an empty USS directory
`sfsstat`	return information about a CMS shared file system file or directory
`stat`	get status information for an USS file
`symlink`	create a symbolic link to an USS file
`unlink`	delete a file
`_unlink`	delete an USS HFS file
`utime`	update the access and modification times for an USS file.