Revert "Update json.c"

This reverts commit b90ef37948d36807806cb0ec0f9ba113d71556ff.
Revert "Revert "Update json.c""

This reverts commit 38a6a0edff59f02e73b42409c21649c9a5f1e207.
Revert "Comentarios en el json.h"

This reverts commit bf5e41e85c91abf6933a56167ac382493ff3f83a.
Revert "Comentarios en el json.h"

This reverts commit 3c9783962ab4478daf25ad93ce0268e2cb9db688.
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