fix: windows build, added visual studio project files

src/api.c

@@ -16,8 +16,13 @@ void api_put() {
     if (mode != 1 && mode != 2) return;
 
     int f = fstream;
+#ifdef _WIN32
+    if (f == _fileno(stderr))
+		f = _fileno(stdout);
+#else
     if (f == fileno(stderr))
-	f = fileno(stdout);
+		f = fileno(stdout);
+#endif
     
     if (mode == 1) {
 	char c = state->STACK[state->STACK_IDX--];

src/file_utils.c

@@ -24,7 +24,11 @@ int read_script(const char *filename, char ***buf, size_t *lines) {
         if (line[length - 1] == '\n') {
             line[length - 1] = '\0';
         }
-        char *line_copy = strdup(line);
+#ifdef _WIN32
+		char *line_copy = _strdup(line);
+#else
+		char *line_copy = strdup(line);
+#endif
         char **temp = realloc(*buf, (line_count + 1) * sizeof(char*));
         if (temp == NULL) {
             dprintf(fstream, "Error allocating memory.\n");

src/instructions.c

@@ -196,7 +196,7 @@ void _sqrt() {
 	return;
     }
 
-    *get_reg(state->args->arg1) = sqrt(get_value(state->args->arg1));
+    *get_reg(state->args->arg1) = (int)sqrt(get_value(state->args->arg1));
 }
 
 void neg() {

src/interpreter_states.c

@@ -85,7 +85,11 @@ LABEL_ERR add_label(char *label, int line) {
 	if (strcmp(label, state->labels[i]) == 0)
 	    return LABEL_ALREADY_EXISTS;
     
+#ifdef _WIN32
+    char *line_copy = _strdup(label);
+#else
     char *line_copy = strdup(label);
+#endif
     if (line_copy == NULL) {
 	dprintf(fstream, "Error allocating memory.\n");
 	return LABEL_ERROR;
@@ -125,7 +129,11 @@ int parse_arguments(char *line) {
     strcpy(state->args->arg1, "");
     strcpy(state->args->arg2, "");
     
+#ifdef _WIN32
+    char *line_cpy = _strdup(line);
+#else
     char *line_cpy = strdup(line);
+#endif
     char *ptr = strstr(line_cpy, " ");
     char *arg = 0;
     if (!ptr) {

src/pasm.c

@@ -90,7 +90,11 @@ int pasm_run_script(const char *filename, char **file, size_t lines, int _fstrea
     for (state->curr_line = 0; state->curr_line < (int)lines && get_exit_state() == 0 ; ++state->curr_line) {
 	if (pasm_debug_mode && found_main)
 	    debug_input(file[state->curr_line]);
+#ifdef _WIN32
+	char* line = _strdup(file[state->curr_line]);
+#else
 	char *line = strdup(file[state->curr_line]);
+#endif
 	if (line[0] == ';' || line[0] == '\0') {
 	    free(line);
 	    continue;