Read and Write on File in C

read_write_file.c

void readInput(char* inputFile) {
FILE *fp;
 fp = fopen(inputFile, "r");
int x;
 while ((x = fgetc(fp)) != EOF) {
 printf("%c", x);
 }
 fclose(fp);
 }

 void writeOutput(char* outputFile, char* text) {
 FILE *p = NULL;
 size_t len = 0;
 p = fopen(outputFile, "w");
 if (p == NULL ) {
 printf("Error in opening a file..");
 }
 len = strlen(text);
 fwrite(text, len, 1, p);
 fclose(p);