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#include <endian.h>
#include <ctype.h>
#include <stdlib.h>
long int atol(const char* s) {
long int v=0;
int sign=0;
while ( *s == ' ' || (unsigned int)(*s - 9) < 5u) ++s;
switch (*s) {
case '-': sign=-1; /* fall through */
case '+': ++s;
}
while ((unsigned int) (*s - '0') < 10u) {
v=v*10+*s-'0'; ++s;
}
return sign?-v:v;
}
#if __WORDSIZE == 64
long long int atoll(const char* s) __attribute__((alias("atol")));
#else
int atoi(const char* s) __attribute__((alias("atol")));
#endif
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