move and deduplicate declarations of __procfdname to make it checkable
syscall.h was chosen as the header to declare it, since its intended
usage is alongside syscalls as a fallback for operations the direct
syscall does not support.
diff --git a/src/internal/procfdname.c b/src/internal/procfdname.c
index 697e0bd..fd7306a 100644
--- a/src/internal/procfdname.c
+++ b/src/internal/procfdname.c
@@ -1,3 +1,5 @@
+#include "syscall.h"
+
void __procfdname(char *buf, unsigned fd)
{
unsigned i, j;
diff --git a/src/internal/syscall.h b/src/internal/syscall.h
index c12a46c..5737f3a 100644
--- a/src/internal/syscall.h
+++ b/src/internal/syscall.h
@@ -244,4 +244,6 @@
#define __sys_open_cp(...) __SYSCALL_DISP(__sys_open_cp,,__VA_ARGS__)
#define sys_open_cp(...) __syscall_ret(__sys_open_cp(__VA_ARGS__))
+void __procfdname(char [static 15+3*sizeof(int)], unsigned);
+
#endif
diff --git a/src/misc/realpath.c b/src/misc/realpath.c
index 88c849c..d2708e5 100644
--- a/src/misc/realpath.c
+++ b/src/misc/realpath.c
@@ -7,8 +7,6 @@
#include <string.h>
#include "syscall.h"
-void __procfdname(char *, unsigned);
-
char *realpath(const char *restrict filename, char *restrict resolved)
{
int fd;
diff --git a/src/process/fexecve.c b/src/process/fexecve.c
index 8be3f76..554c198 100644
--- a/src/process/fexecve.c
+++ b/src/process/fexecve.c
@@ -4,8 +4,6 @@
#include <fcntl.h>
#include "syscall.h"
-void __procfdname(char *, unsigned);
-
int fexecve(int fd, char *const argv[], char *const envp[])
{
int r = __syscall(SYS_execveat, fd, "", argv, envp, AT_EMPTY_PATH);
diff --git a/src/stat/fchmod.c b/src/stat/fchmod.c
index 93e1b64..7a503ee 100644
--- a/src/stat/fchmod.c
+++ b/src/stat/fchmod.c
@@ -3,8 +3,6 @@
#include <fcntl.h>
#include "syscall.h"
-void __procfdname(char *, unsigned);
-
int fchmod(int fd, mode_t mode)
{
int ret = __syscall(SYS_fchmod, fd, mode);
diff --git a/src/stat/fchmodat.c b/src/stat/fchmodat.c
index d94667a..be61bdf 100644
--- a/src/stat/fchmodat.c
+++ b/src/stat/fchmodat.c
@@ -3,8 +3,6 @@
#include <errno.h>
#include "syscall.h"
-void __procfdname(char *, unsigned);
-
int fchmodat(int fd, const char *path, mode_t mode, int flag)
{
if (!flag) return syscall(SYS_fchmodat, fd, path, mode, flag);
diff --git a/src/stat/fstat.c b/src/stat/fstat.c
index ab4afc0..f6d1652 100644
--- a/src/stat/fstat.c
+++ b/src/stat/fstat.c
@@ -4,8 +4,6 @@
#include "syscall.h"
#include "libc.h"
-void __procfdname(char *, unsigned);
-
int fstat(int fd, struct stat *st)
{
int ret = __syscall(SYS_fstat, fd, st);
diff --git a/src/unistd/fchdir.c b/src/unistd/fchdir.c
index 72c3915..dee45ba 100644
--- a/src/unistd/fchdir.c
+++ b/src/unistd/fchdir.c
@@ -3,8 +3,6 @@
#include <fcntl.h>
#include "syscall.h"
-void __procfdname(char *, unsigned);
-
int fchdir(int fd)
{
int ret = __syscall(SYS_fchdir, fd);
diff --git a/src/unistd/fchown.c b/src/unistd/fchown.c
index 75075ee..737b367 100644
--- a/src/unistd/fchown.c
+++ b/src/unistd/fchown.c
@@ -3,8 +3,6 @@
#include <fcntl.h>
#include "syscall.h"
-void __procfdname(char *, unsigned);
-
int fchown(int fd, uid_t uid, gid_t gid)
{
int ret = __syscall(SYS_fchown, fd, uid, gid);
diff --git a/src/unistd/ttyname_r.c b/src/unistd/ttyname_r.c
index 33aa4ae..cb364c2 100644
--- a/src/unistd/ttyname_r.c
+++ b/src/unistd/ttyname_r.c
@@ -1,8 +1,7 @@
#include <unistd.h>
#include <errno.h>
#include <sys/stat.h>
-
-void __procfdname(char *, unsigned);
+#include "syscall.h"
int ttyname_r(int fd, char *name, size_t size)
{
