Implicit declaration of function atoi is invalid in c99 July 8, 2019 16 32 64 128 Error implicit declaration of function atoi is invalid in c99 Implicit declaration of function 'atoi' is invalid in c99 -werror -wimplicit-function-declaration Implicit declaration of function 'atof' is invalid in c99 Implicit declaration of function 'atoi' is invalid
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