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comparison target-utils/libc/atoi.c @ 87:7fb62fc724dc

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target-utils/libc: beginning of newlib-ectomy
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 28 Oct 2016 22:20:26 +0000
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86:684eddecbc62 87:7fb62fc724dc
1 atoi(p)
2 register char *p;
3 {
4 register int n;
5 register int f;
6
7 n = 0;
8 f = 0;
9 for(;;p++) {
10 switch(*p) {
11 case ' ':
12 case '\t':
13 continue;
14 case '-':
15 f++;
16 case '+':
17 p++;
18 }
19 break;
20 }
21 while(*p >= '0' && *p <= '9')
22 n = n*10 + *p++ - '0';
23 return(f? -n: n);
24 }