40 lines
992 B
C
40 lines
992 B
C
/**
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global-variable-scope.c - global variable and their scopes explained
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Copyright (C) 2023-2024 Mert Gör and contributors
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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Feel free to send an email to mertgor@masscollabs.xyz for your questions
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**/
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#include <stdio.h>
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int a;
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void foo(){
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a = 10;
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}
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int main(){
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a = 30;
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printf("%d\n", a); /* a is 30*/
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foo();
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printf("%d\n", a); /* a is 10*/
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return 0;
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}
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