[Solved] Remove trailing NULL terminator

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I suppose easier way to do this is:

size_t len = strlen(buf); // will calculate number of non-0 symbols before first 0
char * newBuf = (char *)malloc(len); // allocate memory for new array, don't forget to free it later
memcpy(newBuf, buf, len); // copy data from old buf to new one

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solved Remove trailing NULL terminator