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void tri(char **tab, int(*cmp)(void *, void *))
{
char **p1,**p2;
for(p1=tab; *p1!=NULL; p1++)
for(p2=p1+1; *p2!= NULL; p2++)
if((*cmp)(*p1,*p2) > 0)
{
char buf[BUFSIZ];
strcpy(buf,*p1);
strcpy(*p1,*p2);
strcpy(*p2,buf);
}
}
void print(FILE *f, char **tab)
{
for( ; *tab!=NULL; ++tab)
fprintf(f,"%s\n",*tab);
}
int main(int argc, char *argv[])
{
char **t = malloc(sizeof(char *)*argc);
if(t == NULL)
{
fprintf(stderr,"erreur \n");
return EXIT_FAILURE;
}
unsigned int l,i;
l = (unsigned int) argc-1U;
for(i = 0; i<l; i++)
{
t[i] = malloc(strlen(argv[i+1])+1);
if(t[i] == NULL)
{
fprintf(stderr,"erreur \n");
return EXIT_FAILURE;
}
strcpy(t[i],argv[i+1]);
}
t[l] = NULL;
print(stdout,t);
tri(t,&strcmp));
print(stdout,t);
return EXIT_SUCCESS;
} |
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