Made it work

main.c

@@ -6,20 +6,32 @@
 int rows, cols;
 
 void clearInput() {
-	for (int i = 0; i < cols; i ++) {
+	for (int i = 0; i < cols; i ++)
 		mvprintw(rows - 1, i, " ");
-	}
+	attron(A_BLINK);
+	mvprintw(rows - 1, 0, " ");
+	attroff(A_BLINK);
 }
 
-void printContentIntoAFile(char (*content)[cols+1]) {
+//void printContentIntoAFile(char (*content)[cols+1]) {
-	FILE* f = fopen("content.txt", "w");
+//	FILE* f = fopen("content.txt", "w");
-	for (int i = 0; i < rows - 2; i ++)
+//	for (int i = 0; i < rows - 2; i ++)
-		fprintf(f, "%s\n", content[i]);
+//		fprintf(f, "%s\n", content[i]);
-	fclose(f);
+//	fclose(f);
+//}
+
+void printPrompt(char* prompt) {
+	mvprintw(rows - 1, 0, "%s", prompt);
+}
+
+void clearScreen() {
+	for (int i = 0; i < rows; i ++)
+			for (int j = 0; j < cols; j ++) 
+				mvprintw(i, j, " ");
 }
 
 void printContent(char (*content)[cols+1]) {	
-	for (int i = rows - 2; i > 1; i --)
+	for (int i = rows - 2; i > 0; i --)
 		mvprintw(i, 0, "%s", content[rows - 2 - i]);
 }
 
@@ -29,44 +41,46 @@ void insertInStartContent(char (*content)[cols+1], char* toInsert) {
 	strcpy(content[0], toInsert);
 }
 
+//void printStringIntoAFile(char* string) {
+//	FILE* f = fopen("string.txt", "w");
+//	fprintf(f, "%s\n", string);
+//	fclose(f);
+//}
+
 int main (int argc, char* argv[]) {
 	initscr();
 	cbreak();
 	keypad(stdscr, TRUE);
 	noecho();
+	start_color();
+
+	getmaxyx(stdscr, rows, cols);
 	
 	char ch = ' ';
 	int len = 0;
-	char* cmd_string = malloc(cols);
+	char cmd_string[cols];
-	char (*content)[cols] = malloc(sizeof(char[rows][cols+1]));
 
+	memset(cmd_string, '\0', cols);
+	char content[rows][cols];
 	for (int i = 0; i < rows; i ++)
-		memset(content[i],0,sizeof(content[i]));
+		memset(&(content[i]),'\0', cols);
-
-	getmaxyx(stdscr, rows, cols);
 
 	while (ch = getch()){
 		switch (ch) {
 			case 10: {
-				FILE* f = fopen("test.txt","w");
-				fprintf(f, "test: %s", cmd_string);
-				fclose(f);
 				insertInStartContent(content, cmd_string);
 				len = 0;
-				clearInput(rows, cols);
+				memset(cmd_string, '\0', cols);
-				memset(cmd_string,0,cols * sizeof(char));
-				refresh();
-				printContentIntoAFile(content);
 			break;
 			}
 			default:
-				mvprintw(rows - 1 , len, "%c", ch);
 				cmd_string[len] = ch;
 				len ++;
 			break;
 		}
+		clearScreen();
 		printContent(content);
-		mvprintw(rows - 1, len, "");
+		printPrompt(cmd_string);
 		refresh();
 
 	}

test.c

@@ -1,37 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-
-int cols, rows;
-
-void insert (char (*content)[cols], char* toInsert) {
-	int i = rows;
-	for (i; i > 0; i --) {
-		strcpy(content[i], content[i - 1]);
-	}
-	strcpy(content[i], toInsert);
-}
-
-int main () {
-	cols = 50;
-	rows = 3;
-
-	char (*content)[cols] = malloc(sizeof(char[rows][cols+1]));
-
-	strcpy(content[0], "Test string 1");
-	strcpy(content[1], "Test string 2");
-
-	printf("Array before insert: \n");
-	
-	for (int i = 0; i < 3; i ++) {
-		printf("%s\n", content[i]);
-	}
-
-	insert(content, "test string 0");
-
-	printf("Array after insert: \n");
-	
-	for (int i = 0; i < 3; i ++) {
-		printf("%s\n", content[i]);
-	}
-}