posix: remove zephyr/posix in header prefixes

If C libraries provide conformant POSIX headers, then use the headers
provided by the C library.

Otherwise, C library maintainers may add `include/zephyr/posix` to their
standard search path.

Signed-off-by: Chris Friedt <[email protected]>

Author: cfriedt

drivers/modem/ublox-sara-r4.c

@@ -15,7 +15,7 @@ LOG_MODULE_REGISTER(modem_ublox_sara_r4, CONFIG_MODEM_LOG_LEVEL);
 #include <zephyr/drivers/gpio.h>
 #include <zephyr/device.h>
 #include <zephyr/init.h>
-#include <zephyr/posix/fcntl.h>
+#include <fcntl.h>
 
 #include <zephyr/net/net_if.h>
 #include <zephyr/net/net_offload.h>

drivers/net/nsos_fcntl.c

@@ -19,11 +19,7 @@
 /*
  * When building for Zephyr, use Zephyr specific fcntl definitions.
  */
-#ifdef __ZEPHYR__
-#include <zephyr/posix/fcntl.h>
-#else
 #include <fcntl.h>
-#endif
 
 #include "nsi_errno.h"
 #include "nsos_fcntl.h"

drivers/net/nsos_sockets.c

@@ -24,7 +24,7 @@ LOG_MODULE_REGISTER(nsos_sockets);
 #include <zephyr/net/net_ip.h>
 #include <zephyr/net/offloaded_netdev.h>
 #include <zephyr/net/socket_offload.h>
-#include <zephyr/posix/fcntl.h>
+#include <fcntl.h>
 #include <zephyr/sys/fdtable.h>
 #include <zephyr/sys/dlist.h>
 

drivers/net/ppp.c

@@ -31,7 +31,7 @@ LOG_MODULE_REGISTER(net_ppp, LOG_LEVEL);
 #include <zephyr/sys/crc.h>
 #include <zephyr/drivers/uart.h>
 #include <zephyr/random/random.h>
-#include <zephyr/posix/net/if_arp.h>
+#include <net/if_arp.h>
 #include <zephyr/net/ethernet.h>
 #include <zephyr/net/capture.h>
 

drivers/wifi/simplelink/simplelink_sockets.c

@@ -9,7 +9,7 @@ LOG_MODULE_DECLARE(LOG_MODULE_NAME);
 
 #include <stdlib.h>
 #include <limits.h>
-#include <zephyr/posix/fcntl.h>
+#include <fcntl.h>
 
 #include <zephyr/kernel.h>
 /* Define sockaddr, etc, before simplelink.h */

include/zephyr/net/socket.h

@@ -1280,19 +1280,19 @@ struct socket_op_vtable {
  */
 #if defined(CONFIG_POSIX_API)
 #if !defined(ZEPHYR_INCLUDE_POSIX_ARPA_INET_H_)
-#include <zephyr/posix/arpa/inet.h>
+#include <arpa/inet.h>
 #endif
 #if !defined(ZEPHYR_INCLUDE_POSIX_NETDB_H_)
-#include <zephyr/posix/netdb.h>
+#include <netdb.h>
 #endif
 #if !defined(ZEPHYR_INCLUDE_POSIX_UNISTD_H_)
-#include <zephyr/posix/unistd.h>
+#include <unistd.h>
 #endif
 #if !defined(ZEPHYR_INCLUDE_POSIX_POLL_H_)
-#include <zephyr/posix/poll.h>
+#include <poll.h>
 #endif
 #if !defined(ZEPHYR_INCLUDE_POSIX_SYS_SOCKET_H_)
-#include <zephyr/posix/sys/socket.h>
+#include <sys/socket.h>
 #endif
 #endif /* CONFIG_POSIX_API */
 

include/zephyr/posix/arpa/inet.h

@@ -8,8 +8,8 @@
 
 #include <stddef.h>
 
-#include <zephyr/posix/netinet/in.h>
-#include <zephyr/posix/sys/socket.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
 
 #include <zephyr/net/socket.h>
 

include/zephyr/posix/dirent.h

@@ -8,7 +8,7 @@
 #ifndef ZEPHYR_INCLUDE_POSIX_DIRENT_H_
 #define ZEPHYR_INCLUDE_POSIX_DIRENT_H_
 
-#include <zephyr/posix/sys/dirent.h>
+#include <sys/dirent.h>
 #include <zephyr/toolchain.h>
 
 #ifdef __cplusplus

include/zephyr/posix/grp.h

@@ -10,7 +10,7 @@
 extern "C" {
 #endif
 
-#include <zephyr/posix/sys/stat.h>
+#include <sys/stat.h>
 
 /**
  * @brief Group structure

include/zephyr/posix/mqueue.h

@@ -11,9 +11,9 @@
 #include <signal.h>
 
 #include <zephyr/kernel.h>
-#include <zephyr/posix/fcntl.h>
-#include <zephyr/posix/sys/stat.h>
-#include <zephyr/posix/posix_types.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <posix_types.h>
 
 #ifdef __cplusplus
 extern "C" {