Can i do this to see which one first occured? char

Question

*f = "01234567", *pos, *tpos;
pos = strchr(f, '3');
tpos = strchr(f, '5');
if (pos < tpos) puts("pos is first");

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02.09.2019

16 просмотров

so i'm doing like this

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02.09.2019

is it ok?

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02.09.2019

do this first on stack then on heap. stack: pos < tpos heap: pos > tpos

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02.09.2019

Chandradeep Dey · Accepted Answer

before doing if(pos < tpos) add a if(pos != NULL && tpos != NULL)

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02.09.2019