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otherwise will report error:
type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
diff --git a/config/ctype.c b/config/ctype.c
index ae6ed8b..3f05677 100644
--- a/config/ctype.c
+++ b/config/ctype.c
@@ -16,4 +16,4 @@ ulong ul;
#ifdef VK_NEED_UINT
uint ui;
#endif
-main(){}
+int main(){}
diff --git a/config/dl.c b/config/dl.c
index e16ff86..6db52e0 100644
--- a/config/dl.c
+++ b/config/dl.c
@@ -2,7 +2,7 @@
/* dl.c -- used by configure script to detect dynamic link loader */
/*----------------------------------------------------------------------------*/
#include <dlfcn.h>
-main()
+int main()
{
dlopen(0, 0);
}
diff --git a/config/qc.c b/config/qc.c
index d70d10b..01def92 100644
--- a/config/qc.c
+++ b/config/qc.c
@@ -2,7 +2,7 @@
#include <qstring.h>
#include <qcstring.h>
-main()
+int main()
{
for( int i=128; i<256; i++ ) {
char buf[4];
diff --git a/config/x.c b/config/x.c
index c5bdd8b..d35eb0a 100644
--- a/config/x.c
+++ b/config/x.c
@@ -2,6 +2,6 @@
/* x.c -- used by configure script to detect X lib */
/*----------------------------------------------------------------------------*/
#include <X11/Xlib.h>
-main() {
+int main() {
XOpenDisplay(NULL);
}
diff --git a/config/xft.c b/config/xft.c
index ff4fc7d..148f444 100644
--- a/config/xft.c
+++ b/config/xft.c
@@ -1,6 +1,6 @@
#include <X11/Xft/Xft.h>
-main()
+int main()
{
XftFontOpenName(0, 0, 0);
}
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