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C Library Functions  - system_putchar (3)

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NAME

system_putchar(3f) - [M_system:IO] writes a character to the stdout stream. (LICENSE:PD)

CONTENTS

Synopsis
Description
Return Value
Return Value
Examples

SYNOPSIS

integer(kind=c_int) function system_putchar(ch)

     character(len=1),intent(in) :: ch

DESCRIPTION

system_putchar(3f) writes the character CH to the stdout stream via C I/O

RETURN VALUE

putchar(3C) returns the character written as an unsigned char cast to an int or EOF(a negative value) on error. This is passed on to system_putchar(3f).

RETURN VALUE

the status code. If negative an error occurred

EXAMPLES

Example program

     program demo_system_putchar
     use M_system,      only : system_putchar
     implicit none
     integer :: i
     integer :: iostat
     do i=32,126 ! printable ASCII characters
        iostat=system_putchar(achar(i))
        if(iostat.lt.0)stop ’<ERROR> *main* character ’//achar(i)
     enddo
     iostat=system_putchar(new_line(’a’))
     end program demo_system_putchar

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Nemo Release 3.1

system_putchar (3)

February 23, 2025

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