NAME
    access - determine existence or accessibility of named file

SYNOPSIS
    access(name [, mode])

TYPES
    name	string
    mode	integer or string containing only 'r', 'w', 'x' characters

    return	null value or error

DESCRIPTION
    access(name) or access(name, 0) or access(name, "") returns the null
    value if a file with this name exists.

    If non-null mode is specified, the null value is returned if there
    is a file with the specified name and accessibility indicated by the
    bits or characters of the mode argument: 'r' or bit 2 for reading,
    'w' or bit 1 for writing, 'x' or bit 0 for execution.

EXAMPLE
    > !rm -f junk
    > access("junk")
	Error 10002	XXX This number will probably be changed
    > f = fopen("junk", "w")
    > access("junk")
    > fputs(f, "Now is the time");
    > freopen(f, "r");
    > !chmod u-w junk
    > fgets(f)
	"Now is the time"
    > access("junk", "w")
	Error 10013	XXX
    > freopen(f, "w")
	Error 10013	XXX

LIMITS
    none - XXX - is this correct?

LIBRARY
    none - XXX - is this correct?

SEE ALSO
    errno, fclose, feof, ferror, fflush, fgetc, fgetline, fgets, files, fopen,
    fprintf, fputc, fputs, fseek, fsize, ftell, isfile, printf, prompt