On 06/24/2011 02:39 PM, Michal Vyskocil wrote: > +int isdigits(const char* str) { > + size_t i; > + > + if (!str) > + return 0; > + > + for (i = 0; i != strlen(str); i++) { > + if (!isdigit(str[i])) > + return 0; > + } Quadratic behaviour? What aboout while(*str) if(!isdigit(*str++)) return 0;
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