Write given strings to stdout buffers with level OLVL_NORMAL or more

Write given strings to stderr buffers with level OLVL_NORMAL or more

Write given strings to stdout buffers with level OLVL_DEBUG or more, prefixing with function name, file name and line number, adding a LF and flushing the buffer afterwards

Same as dbg(3) but with OLVL_MAXIMUM

Same as errdie(3) but prefixed with "PROG: "

Same as dieusage(3) but adds the command's name and usage.

Same as diehelp(3) but adds the command's name, usage and show its help screen.

Same as die(3) but with an extra "fatal: "

Same as dief(3) but with an extra "unable to "

Same as sysdie(3) but prefixed with "PROG: "

Same as diesys(3) but with an extra "fatal: "

Same as diefsys(3) but with an extra "unable to "

Write given usage string to stderr prefixed with "usage: PROG ", a blank line, then the help string; and end program execution using given exit code

Write given string to stderr prefixed with "usage: PROG " and end program execution using given exit code

Write a version and copyright message to stdout

Write given strings to stderr buffers with level OLVL_NORMAL or more, adding a LF and flushing the buffer afterwards

Same as err(3) but ends program execution using given exit code

Same as diehelp(3) but does not end program execution.

Same as err(3) but with OLVL_VERBOSE

To list all matching element from a partial match in an array of strings.

To list all matching element from a partial match in an array.

Write given strings to stdout buffers with level OLVL_NORMAL or more, adding a LF and flushing the buffer afterwards

Same as out(3) but ends program execution using given exit code

Same as out(3) but with OLVL_QUIET

Same as err(3) with adding a colon, a space and the error description for errno before the LF

Same as sys(3) but ends program execution using given exit code

Same as sys(3) but with OLVL_VERBOSE

Same as out(3) but with OLVL_VERBOSE

Write a warning to stderr buffers with level OLVL_NORMAL or more

Same as warn(3) but adding error description after the warning

Same as warn(3) but starting the warning with "unable to "

Same as warnsys(3) but starting the warning with "unable to "

Same as warn(3) then return the given value

Same as warnu(3) then return the given value

Same as warnsys(3) then return the given value

Same as warnusys(3) then return the given value