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-rw-r--r--sys/fio/getc.x27
1 files changed, 27 insertions, 0 deletions
diff --git a/sys/fio/getc.x b/sys/fio/getc.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include <config.h>
+include <fio.h>
+
+# GETC -- Get a character from a file.
+
+char procedure getc (fd, ch)
+
+int fd # input file
+char ch # character (output)
+int filbuf()
+errchk filbuf
+include <fio.com>
+
+begin
+ if (iop[fd] < bufptr[fd] || iop[fd] >= itop[fd])
+ if (filbuf(fd) == EOF) {
+ ch = EOF
+ return (EOF)
+ }
+
+ ch = Memc[iop[fd]]
+ iop[fd] = iop[fd] + 1
+
+ return (ch)
+end