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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int main() {
  5.     char buf[ 256 ];
  6.  
  7.     strcpy( buf, "./a.out foo bar foobar barfoo\n" ); // simulate fgets()
  8.  
  9.     int ac = 0;
  10.     char *av[ 32 ]; // Or make it dynamic (a minor challenge)
  11.  
  12.     av[ac] = strtok(buf, " \n" );
  13.     while( av[ac])
  14.     {
  15.     	++ac;
  16.     	av[ac] = strtok(NULL, " \n" );
  17.     }
  18.  
  19.     for( int i = 0; i < ac; i++ )
  20.         printf( "%d: %s\n", i, av[i] );
  21.     printf( "And on the end of the array: %p\n", (void*)av[ac] );
  22.  
  23.     return 0;
  24. }
Success #stdin #stdout 0s 5348KB
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stdin
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Standard input is empty
stdout
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0: ./a.out
1: foo
2: bar
3: foobar
4: barfoo
And on the end of the array: (nil)
https://ideone.com/Gn8sLq
language:
C (gcc 8.3)
created:
3 years ago
visibility:
public

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