Before revision: Zero as a prefix A prefix 0 is used in C to specify string representations of octal numbers, as required by the ANSI C standard for the "strtol" function (the string to long integer converter) in the " stdlib.h " library.
After revision: Zero as a prefix A prefix 0 is used in C to specify string representations of octal numbers, as required by the ANSI C standard for the strtol() function (the string to long integer converter) in the < stdlib.h > library.