fix: now compiles and works for simple commands + clang format

src/parser/parsing_utils.h

@@ -28,7 +28,7 @@ struct ast *parse_list(void);
  */
 struct ast *parse_simple_command(void);
 
-/* 
+/*
  */
 struct ast *parse_if_rule(void);
 
@@ -39,14 +39,14 @@ struct ast *parse_shell_command(void);
 /* @brief parses commands inside if/else clauses and returns the corresponding
  * AST list
  */
-struct ast* parse_compound_list(void);
+struct ast *parse_compound_list(void);
 
 /*
  */
-struct ast* parse_and_or(void);
+struct ast *parse_and_or(void);
 
 /*
  */
-struct ast* parse_else_clause(void);
+struct ast *parse_else_clause(void);
 
 #endif /* ! PARSING_UTILS_H */