Code

 Header...
// Read in a line of text, looping until it has some non-spaces.
// We trim the final '\n' the end of the line.
// Return 1 for success, zero for failure.
// Has a problem if the input is too long
//

 int readoneline(char line[],int maxbytes){
   ... 

»  while (1) {
»    int i;

»    if (fgets(line, maxbytes, stdin)==NULL) {
»      return 0;// Out of data
}

    // We don't the new-line character so chop it
»    i=strlen(line)-1;
»    if (linei=='\n') 
      linei='\0';

    // Look for a non-blank character.
»    for (i=0; linei; ++i) 
      if (isspace(linei)==0) {
»        return 1;
  }
  }
}
#define N 20
 int main(){
   ... 

»  char line[N];
»  int value;

»  printf("Please enter the integer value\n");
»  scanf("%d", &value);

»  printf("Now please type in the text string, spaces are allowed!\n");
»  readoneline(line, N);

»  return 0;
}