Title: Error -incompatible type not allowed using Visual Studio 2013 and .NET Framework ver 4.5
Problem Statement: Using Environment-Visual studio 2013 and .NET framework ver 4.5, I am getting line error -Incomplete type not allowed. Compiler error are defined below. error 29 error C2079: uses undefined struct 'timespec' My Code: Header file using Time.h C++ - Incomplete type not allowed while declaring struct of -below are example typedef struct timespec sc_t; int sec_timed_out(sc_t* timer,unsigned long delaySec) { sc_t now; <--Error observed here sec_get_time_stamp(&now); if(timer != NULL) { if((now.tv_sec >= timer->tv_sec) && ((now.tv_sec - timer->tv_sec) >= delaySec)) { return 1; } else if(now.tv_sec < timer->tv_sec) { /* date or time change in past */ return 1; } } return 0; } Additional Information: Above code works fine using Visual Studio 2017 Request: Please advise how to fix this compilation issue in VS 2013