Thread: how to compare 2 strings

  1. #1
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    how to compare 2 strings

    hi i am new to programming in c ,
    and i wanne know how to compare 2 strings
    one string should be true keyboard input "gets(a);
    and the other string i wanne read from a .txt file with fgets(b,30,f)

    if (strcmp(a,b)==0) dont work cause the value of strcmp is 1 ore -1
    how to set it to 0 and see if the strings are equal ?
    sorry for my bad english .

    greetings GMK0000
    Last edited by GMK0000; 07-28-2016 at 09:37 AM.

  2. #2
    Programming Wraith GReaper's Avatar
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    See, gets and fgets work differently. The first ignores the newline character while the second adds it to the string. I suggest using fgets for both the console and file input. Like this:
    Code:
    fgets(a, 30, stdin);
    Devoted my life to programming...

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    thanx for your reaction i am gonne try it out tonight
    p.s.

    you really devoted your life to program ? hahaha
    if so let me add you as a friend

  4. #4
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    works perfectly thanx mate.

  5. #5
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    You really should forget that you've even heard of the gets() function. This function can never be safely used and has even been removed from the current C standard.

    Jim

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