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annotate target-utils/libc/strcmp.c @ 609:ffd606adb039

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CHANGES: libserial ASYNC_LOW_LATENCY change documented
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 22 Feb 2020 19:07:46 +0000
parents 7fb62fc724dc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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2 * Compare strings: s1>s2: >0 s1==s2: 0 s1<s2: <0
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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3 */
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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4
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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5 strcmp(s1, s2)
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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6 register char *s1, *s2;
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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7 {
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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8 while (*s1 == *s2++)
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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9 if (*s1++=='\0')
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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10 return(0);
7fb62fc724dc target-utils/libc: beginning of newlib-ectomy
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11 return(*s1 - *--s2);
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12 }