DataMuseum.dk Presents historical artifacts from the history of: Commodore CBM-900

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⟦1edcbffd3⟧ TextFile

    Length: 187 (0xbb)
    Types: TextFile
    Notes: UNIX file
    Names: »isatty.c«

Derivation

└─⟦f27320a65⟧ Bits:30001972 Commodore 900 hard disk image with partial source code
    └─⟦f4b8d8c84⟧ UNIX V7 Filesystem
        └─ ⟦this⟧ »libc/gen/isatty.c« 

/*
 * Coherent I/O Library
 * Return 1 if file descriptor
 * is that of a terminal.
 */

#include <sgtty.h>

isatty(fd)
{
	struct sgttyb sgb;

	return (ioctl(fd, TIOCGETP, &sgb) >= 0);
}