use full prototypes for functions without parameters

tests/regress/00opcode_uc_crash.c

@@ -7,7 +7,7 @@
 #define X86_CODE32 "\x00" // add byte ptr ds:[eax],al
 #define ADDRESS 0x1000000
 
-static void VM_exec()
+static void VM_exec(void)
 {
     uc_engine *uc;
     uc_err err;

tests/regress/arm_enable_vfp.c

@@ -6,7 +6,7 @@
 #define ADDRESS 0x1000
 #define ARM_VMOV "\xC0\xEF\x10\x00" // VMOV.I32 D16, #0 ; Vector Move
 
-int main()
+int main(void)
 {
     uc_engine *uc;
     uc_err err;

tests/regress/block_test.c

@@ -24,7 +24,7 @@ void cb_hookblock(uc_engine *uc, uint64_t address, uint32_t size, void *user_dat
    fprintf(stderr, "ok %d - basic block size is correct\n", count++);
 }
 
-int main() {
+int main(void) {
    uc_engine *uc;
 
    fprintf(stderr, "# basic block callback test\n");

tests/regress/eflags_noset.c

@@ -20,7 +20,7 @@ typedef uint64_t puint;
 #define PRIX3264 PRIX64
 #endif
 
-uint32_t realEflags()
+uint32_t realEflags(void)
 {
     puint val = 0;
 
@@ -55,7 +55,7 @@ uint32_t realEflags()
     return (uint32_t)val & 0xFFFFFFFF;
 }
 
-static void VM_exec()
+static void VM_exec(void)
 {
 #if defined(__i386__) || defined(__x86_64__)
     uc_engine *uc;

tests/regress/eflags_nosync.c

@@ -64,7 +64,7 @@ static bool hook_invalid_mem(uc_engine *uc, uc_mem_type type, uint64_t address,
     }
 }
 
-static void VM_exec()
+static void VM_exec(void)
 {
     uc_engine *uc;
     uc_err err;

tests/regress/emu_clear_errors.c

@@ -38,7 +38,7 @@ bool cb_hookunmapped(uc_engine *uc, uc_mem_type type, uint64_t address, uint32_t
              "\x56" \
              "\xFF\x15\x20\x20\x00\x10"
 
-int main() {
+int main(void) {
    uc_engine *uc;
 
    uc_err err = uc_open(UC_ARCH_X86, UC_MODE_32, &uc);

tests/regress/hook_extrainvoke.c

@@ -14,7 +14,7 @@ void hook_ins(uc_engine *uc, uint64_t address, uint32_t size, void *user_data)
     printf("hook called\n");
 }
 
-static void VM_exec()
+static void VM_exec(void)
 {
     uc_engine *uc;
     uc_err err;

tests/regress/map_crash.c

@@ -6,7 +6,7 @@
 #define UC_BUG_WRITE_SIZE 13000
 #define UC_BUG_WRITE_ADDR 0x1000
 
-int main()
+int main(void)
 {
     int size;
     uint8_t *buf;

tests/regress/map_write.c

@@ -6,7 +6,7 @@
 #define SIZE 1024*64
 #define OVERFLOW 1
 
-int main()
+int main(void)
 {
     uc_engine *uc = NULL;
     uint8_t *buf = NULL, *buf2 = NULL;

tests/regress/mips_kseg0_1.c

@@ -20,7 +20,7 @@
 
 #define MIPS_CODE_EL "\x56\x34\x21\x34" // ori $at, $at, 0x3456;
 
-int main() 
+int main(void)
 {
 
     uc_engine *uc;

tests/regress/sigill.c

@@ -16,7 +16,7 @@ void _interrupt(uc_engine *uc, uint32_t intno, void *user_data)
     }
 }
 
-int main()
+int main(void)
 {
     int size;
     uint8_t *buf;

tests/regress/sigill2.c

@@ -6,7 +6,7 @@
 #define UC_BUG_WRITE_SIZE 128
 #define UC_BUG_WRITE_ADDR 0x2000
 
-int main()
+int main(void)
 {
     int size;
     uc_engine *uc;