code. compile. run. debug. share.
Source Code
Language
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char *schiller=
"Wer wagt es, Rittersmann oder Knapp,\n"
"Zu tauchen in diesen Schlund ?\n"
"Einen goldnen Becher werf ich hinab,\n"
"Verschlungen schon hat ihn der schwarze Mund.\n"
"Wer mir den Becher kann wieder zeigen,\n"
"Er mag ihn behalten, er ist sein eigen.";
char* line(FILE* f)
{
static char* s;
if (f)
{
int c; char i;
s = s ? *s = 0, s : calloc(1, 2);
while ((c = fgetc(f)) != EOF && c != '\n')
strncat(s = realloc(s, strlen(s) + 2), (i=c,&i), 1);
return feof(f)&&!*s?0:s;
}
free(s);
return s = 0;
}
int main()
{
char* s,*a=0;
int i,w;
FILE* f = fmemopen(schiller, strlen (schiller), "r");
while (s = line(f)) puts(s);
rewind(f);
scanf("%d", &w);
for (i = 1; s = line(f); ++i)
if (i == w)
puts(strcpy(a = malloc(strlen(s) + 1), s));
fclose(f);
line(0);
free(a);
return 0;
}
Compiling Program...
Standard Input:
Interactive Console
Text
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