Adding upstream version 4.22.0.upstream/4.22.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 68 insertions, 0 deletions

diff --git a/upstream/fedora-rawhide/man3/bswap.3 b/upstream/fedora-rawhide/man3/bswap.3
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+.\" Copyright (C) 2016 Michael Kerrisk <mtk.manpages@gmail.com>
+.\"
+.\" SPDX-License-Identifier: Linux-man-pages-copyleft
+.\"
+.TH bswap 3 2023-10-31 "Linux man-pages 6.06"
+.SH NAME
+bswap_16, bswap_32, bswap_64 \- reverse order of bytes
+.SH LIBRARY
+Standard C library
+.RI ( libc ", " \-lc )
+.SH SYNOPSIS
+.nf
+.B #include <byteswap.h>
+.P
+.BI "uint16_t bswap_16(uint16_t " x );
+.BI "uint32_t bswap_32(uint32_t " x );
+.BI "uint64_t bswap_64(uint64_t " x );
+.fi
+.SH DESCRIPTION
+These functions return a value in which the order of the bytes
+in their 2-, 4-, or 8-byte arguments is reversed.
+.SH RETURN VALUE
+These functions return the value of their argument with the bytes reversed.
+.SH ERRORS
+These functions always succeed.
+.SH STANDARDS
+GNU.
+.SH EXAMPLES
+The program below swaps the bytes of the 8-byte integer supplied as
+its command-line argument.
+The following shell session demonstrates the use of the program:
+.P
+.in +4n
+.EX
+$ \fB./a.out 0x0123456789abcdef\fP
+0x123456789abcdef ==> 0xefcdab8967452301
+.EE
+.in
+.SS Program source
+\&
+.\" SRC BEGIN (bswap.c)
+.EX
+#include <byteswap.h>
+#include <inttypes.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+\&
+int
+main(int argc, char *argv[])
+{
+    uint64_t x;
+\&
+    if (argc != 2) {
+        fprintf(stderr, "Usage: %s <num>\en", argv[0]);
+        exit(EXIT_FAILURE);
+    }
+\&
+    x = strtoull(argv[1], NULL, 0);
+    printf("%#" PRIx64 " ==> %#" PRIx64 "\en", x, bswap_64(x));
+\&
+    exit(EXIT_SUCCESS);
+}
+.EE
+.\" SRC END
+.SH SEE ALSO
+.BR byteorder (3),
+.BR endian (3)