13 files changed, 13 insertions, 13 deletions

diff --git a/test/000_basic/basic_tests.c b/test/000_basic/basic_tests.c
index 17f1b2b..c4434c5 100644
--- a/test/000_basic/basic_tests.c
+++ b/test/000_basic/basic_tests.c
@@ -17,7 +17,7 @@ check2(cube_t cube1, char *name1, cube_t cube2, char *name2)
             equal(cube1, cube2) ? "" : " NOT");
 }
 
-int main() {
+int main(void) {
         cube_t zero, solved;
 
         memset(&zero, 0, sizeof(cube_t));
diff --git a/test/001_cube_conversion/cube_conversion_tests.c b/test/001_cube_conversion/cube_conversion_tests.c
index 65a88f6..589eb82 100644
--- a/test/001_cube_conversion/cube_conversion_tests.c
+++ b/test/001_cube_conversion/cube_conversion_tests.c
@@ -4,7 +4,7 @@ cube_fast_t cubetofast(cube_t);
 cube_t fasttocube(cube_fast_t);
 bool equal(cube_t, cube_t);
 
-int main() {
+int main(void) {
         char cubestr[STRLENMAX];
         cube_t cube, cube2;
         cube_fast_t fast;
diff --git a/test/010_math_permsign/permsgn_tests.c b/test/010_math_permsign/permsgn_tests.c
index dca9e6e..46c7377 100644
--- a/test/010_math_permsign/permsgn_tests.c
+++ b/test/010_math_permsign/permsgn_tests.c
@@ -2,7 +2,7 @@
 
 int permsign(uint8_t *, int);
 
-int main() {
+int main(void) {
         char str[STRLENMAX];
         uint8_t a[100];
         int n, i, p;
diff --git a/test/020_io_H48_read_write/io_H48_tests.c b/test/020_io_H48_read_write/io_H48_tests.c
index 71df1e7..fafd396 100644
--- a/test/020_io_H48_read_write/io_H48_tests.c
+++ b/test/020_io_H48_read_write/io_H48_tests.c
@@ -1,6 +1,6 @@
 #include "../test.h"
 
-int main() {
+int main(void) {
         char *c, str[STRLENMAX];
         cube_t cube;
 
diff --git a/test/021_io_SRC_write/io_SRC_tests.c b/test/021_io_SRC_write/io_SRC_tests.c
index 5ae3d99..ca33d1e 100644
--- a/test/021_io_SRC_write/io_SRC_tests.c
+++ b/test/021_io_SRC_write/io_SRC_tests.c
@@ -1,6 +1,6 @@
 #include "../test.h"
 
-int main() {
+int main(void) {
         char *c, str[STRLENMAX];
         cube_t cube;
 
diff --git a/test/023_io_LST_write/io_LST_tests.c b/test/023_io_LST_write/io_LST_tests.c
index 1532f91..3f42d7a 100644
--- a/test/023_io_LST_write/io_LST_tests.c
+++ b/test/023_io_LST_write/io_LST_tests.c
@@ -7,7 +7,7 @@ bool issolvable(cube_t);
 cube_t readcube(char *, char *);
 void writecube(char *, cube_t, char *);
 
-int main() {
+int main(void) {
         char *c, str[STRLENMAX];
         cube_t cube;
 
diff --git a/test/030_move/move_tests.c b/test/030_move/move_tests.c
index dde4c4e..73e9dbe 100644
--- a/test/030_move/move_tests.c
+++ b/test/030_move/move_tests.c
@@ -2,7 +2,7 @@
 
 cube_t applymoves(cube_t, char *);
 
-int main() {
+int main(void) {
         char movestr[STRLENMAX], cubestr[STRLENMAX];
         cube_t cube;
 
diff --git a/test/040_inverse_cube/inverse_tests.c b/test/040_inverse_cube/inverse_tests.c
index d6d47ba..2ff3bc7 100644
--- a/test/040_inverse_cube/inverse_tests.c
+++ b/test/040_inverse_cube/inverse_tests.c
@@ -2,7 +2,7 @@
 
 cube_t inverse(cube_t);
 
-int main() {
+int main(void) {
         char str[STRLENMAX];
         cube_t cube, inv;
 
diff --git a/test/050_compose/compose_tests.c b/test/050_compose/compose_tests.c
index d28b225..0ea4eff 100644
--- a/test/050_compose/compose_tests.c
+++ b/test/050_compose/compose_tests.c
@@ -2,7 +2,7 @@
 
 cube_t compose(cube_t, cube_t);
 
-int main() {
+int main(void) {
         char str[STRLENMAX];
         cube_t c1, c2, c3;
 
diff --git a/test/060_transform/transform_tests.c b/test/060_transform/transform_tests.c
index c1bc5af..f95ad67 100644
--- a/test/060_transform/transform_tests.c
+++ b/test/060_transform/transform_tests.c
@@ -2,7 +2,7 @@
 
 cube_t applytrans(cube_t, char *);
 
-int main() {
+int main(void) {
         char cubestr[STRLENMAX], transtr[STRLENMAX];
         cube_t cube;
 
diff --git a/test/071_coord_eo/coord_eo_tests.c b/test/071_coord_eo/coord_eo_tests.c
index 2dfba92..6c18a73 100644
--- a/test/071_coord_eo/coord_eo_tests.c
+++ b/test/071_coord_eo/coord_eo_tests.c
@@ -3,7 +3,7 @@
 int64_t coord_fast_eo(cube_fast_t);
 cube_fast_t cubetofast(cube_t);
 
-int main() {
+int main(void) {
         char str[STRLENMAX];
         cube_t cube;
         cube_fast_t fast;
diff --git a/test/080_allowednext/allowednext_tests.c b/test/080_allowednext/allowednext_tests.c
index 98a437f..7ae7f66 100644
--- a/test/080_allowednext/allowednext_tests.c
+++ b/test/080_allowednext/allowednext_tests.c
@@ -11,7 +11,7 @@ static char *moves[] = {
         "B", "B2", "B'",
 };
 
-int main() {
+int main(void) {
         char movestr[STRLENMAX];
         uint8_t m[100], next;
         int n, i, j;
diff --git a/test/090_solve_simple/solve_simple_tests.c b/test/090_solve_simple/solve_simple_tests.c
index 4756dc0..5ba6d20 100644
--- a/test/090_solve_simple/solve_simple_tests.c
+++ b/test/090_solve_simple/solve_simple_tests.c
@@ -3,7 +3,7 @@
 int64_t solve(cube_t, char *, char *, char *, int8_t, int8_t, int64_t, int8_t,
     void *, char *);
 
-int main() {
+int main(void) {
         char cubestr[STRLENMAX], solverstr[STRLENMAX], optionsstr[STRLENMAX];
         char nisstypestr[STRLENMAX], minmovesstr[STRLENMAX];
         char maxmovesstr[STRLENMAX], maxsolsstr[STRLENMAX];