30 lines
688 B
C
30 lines
688 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <search.h>
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void main( int argc, const char *argv[] )
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{
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int i;
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unsigned num = 0;
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char **array = (char **)calloc( argc, sizeof(char **) );
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int compare( const void *, const void * );
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for( i = 1; i < argc; ++i ) {
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lsearch( &argv[i], array, &num, sizeof(char **),
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compare );
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}
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for( i = 0; i < num; ++i ) {
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printf( "%s\n", array[i] );
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}
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}
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int compare( const void *op1, const void *op2 )
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{
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const char **p1 = (const char **) op1;
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const char **p2 = (const char **) op2;
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return( strcmp( *p1, *p2 ) );
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}
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/* With input: one two one three four */
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