refactoring: wall --> get_wall_input

src/main/c/labyrinth.c

@@ -26,7 +26,7 @@ void ask_lab_dimensions(unsigned short *len_x, unsigned short *len_y){
     *len_y = get_natural_number("Bitte gib die y-Laenge des Labyrinthes an:\n");
 }
 
-short wall(unsigned short *x, unsigned short *y, unsigned short len_x, unsigned short len_y){
+short get_wall_input(unsigned short *x, unsigned short *y, unsigned short len_x, unsigned short len_y){
     char answer;
     printf("Moechten Sie die Koordinaten einer weiteren Labyrinthwand angeben? (y/n)\n");
     scanf(" %c", &answer);

src/main/c/labyrinth.h

@@ -11,6 +11,6 @@ short lab_can_move(Field_State** field, unsigned short x, unsigned short y, Dire
 void show_solution(Field_State** field, unsigned short len_x, unsigned short len_y);
 unsigned short get_natural_number(char text[]);
 void ask_lab_dimensions(unsigned short *len_x, unsigned short *len_y);
-short wall(unsigned short *x, unsigned short *y, unsigned short len_x, unsigned short len_y);
+short get_wall_input(unsigned short *x, unsigned short *y, unsigned short len_x, unsigned short len_y);
 
 #endif // TEST_H