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October 19, 2017 13:19
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First C program
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#include <stdio.h> | |
#include <stdlib.h> | |
int aiv_strlen(char *str) | |
{ | |
// 100 100 | |
char *original_ptr = str; | |
while(*str) { | |
str++; | |
} | |
return str - original_ptr - 1; | |
/*int counter = 0; | |
while(*str){ | |
str++; | |
counter++; | |
} | |
return counter;*/ | |
/* | |
while(*str++); | |
return str - original_ptr - 2; | |
*/ | |
} | |
int main(int argc, char *argv[]) | |
{ | |
char player_name[99]; | |
if (!fgets(player_name, 99, stdin)) { | |
fprintf(stderr, "mortacci tua\n"); | |
return -1; | |
} | |
int len = aiv_strlen(player_name); | |
char *reversed = malloc(len + 1); | |
for(int i=0;i<=len;i++) { | |
reversed[len-i] = player_name[i]; | |
} | |
fprintf(stdout, "Hello: %d %s\n", len, reversed); | |
return 0; | |
} |
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