read from stdin c
#include <stdio.h>
int main( ) {
char str[100];
int i;
printf( "Enter a value :");
scanf("%s %d", str, &i);
printf( "\nYou entered: %s %d ", str, i);
return 0;
}read from stdin c
#include <stdio.h>
int main( ) {
char str[100];
int i;
printf( "Enter a value :");
scanf("%s %d", str, &i);
printf( "\nYou entered: %s %d ", str, i);
return 0;
}getline() in c
#include <stdlib.h>
#include <stdio.h>
#define FILENAME "example.txt"
int main(void)
{
/* Open the file for reading */
char *line_buf = NULL;
size_t line_buf_size = 0;
int line_count = 0;
ssize_t line_size;
FILE *fp = fopen(FILENAME, "r");
if (!fp)
{
fprintf(stderr, "Error opening file '%s'\n", FILENAME);
return EXIT_FAILURE;
}
/* Get the first line of the file. */
line_size = getline(&line_buf, &line_buf_size, fp);
/* Loop through until we are done with the file. */
while (line_size >= 0)
{
/* Increment our line count */
line_count++;
/* Show the line details */
printf("line[%06d]: chars=%06zd, buf size=%06zu, contents: %s", line_count,
line_size, line_buf_size, line_buf);
/* Get the next line */
line_size = getline(&line_buf, &line_buf_size, fp);
}
/* Free the allocated line buffer */
free(line_buf);
line_buf = NULL;
/* Close the file now that we are done with it */
fclose(fp);
return EXIT_SUCCESS;
}Copyright © 2021 Codeinu
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