usr/src/usr.bin/f77/libU77/putc_.c

/*
char id_putc[] = "@(#)putc_.c   1.1";
 *
 * write a character to the standard output
 *
 * calling sequence:
 *      integer putc
 *      ierror =  putc (char)
 * where:
 *      char will be sent to the standard output, usually the terminal
 *      ierror will be 0 if successful; a system error code otherwise.
 */

#include        "../libI77/f_errno.h"
#include        "../libI77/fiodefs.h"

extern unit units[];    /* logical units table from iolib */

long putc_(c, clen)
char *c; long clen;
{
        int i;

        if (!units[STDOUT].ufd)
                return((long)(errno=F_ERNOPEN));
        putc (*c, units[STDOUT].ufd);
        if (ferror(units[STDOUT].ufd))
        {
                i = errno;
                clearerr(units[STDOUT].ufd);
                return((long)i);
        }
        return(0L);
}