fcntl FILEHANDLE,FUNCTION,SCALAR Implements the fcntl(2) function. You'll probably have to say

link OLDFILE,NEWFILE Creates a new filename linked to the old filename. Returns true for success, false otherwise.

endprotoent

getpriority WHICH,WHO Returns the current priority for a process, a process group, or a user. (See getpriority(2).) Will raise a fatal

unpack TEMPLATE,EXPR unpack TEMPLATE

umask EXPR umask Sets the umask for the process to EXPR and returns the previous value. If EXPR is omitted

join EXPR,LIST Joins the separate strings of LIST into a single string with fields separated by the value of EXPR, and returns that new string

fc EXPR fc Returns the casefolded version of EXPR. This is the internal function implementing the

cos EXPR cos Returns the cosine of EXPR (expressed in radians). If EXPR is omitted, takes the cosine of

split /PATTERN/,EXPR,LIMIT split /PATTERN/,EXPR split /PATTERN/ split