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C Library Functions  - system_issock (3)

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NAME

system_issock(3f) - [M_system:QUERY_FILE] checks if argument is a socket (LICENSE:PD)

CONTENTS

Synopsis
Description
Options
Return Value
Errors
See Also
Examples

SYNOPSIS

elemental impure logical function system_issock(pathname)

     character(len=*),intent(in) :: pathname
     logical                     :: system_issock

DESCRIPTION

The issock(3f) function checks if path is a path to a socket

OPTIONS

path	a character string representing a socket pathname. Trailing spaces are ignored.

RETURN VALUE

The system_issock() function should always be successful and no return value is reserved to indicate an error.

ERRORS

No errors are defined.

SEE ALSO

system_isreg(3f), system_stat(3f), system_isdir(3f), system_perm(3f)

EXAMPLES

check if filename is a socket

   program demo_system_issock
   use M_system, only : system_issock
   implicit none
   integer                     :: i
   character(len=80),parameter :: names(*)=[ &
   ’/tmp            ’, &
   ’/tmp/NOTTHERE   ’, &
   ’/usr/local      ’, &
   ’.               ’, &
   ’sock.test       ’, &
   ’PROBABLY_NOT    ’]
   do i=1,size(names)
      write(*,*)’ is ’,trim(names(i)),’ a socket? ’, &
              & system_issock(names(i))
   enddo
   end program demo_system_issock

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Nemo Release 3.1

system_issock (3)

June 29, 2025

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