How to convert float to byte array of length 4 (array of char*)?

Question

How to convert float to byte array of length 4 (array of char*) ? I need to send over network some data, tcp, and need to send float as a byte array. ( I know precision to two d

Answer 1

Just overlay the data in one area, in C

union dataUnion {  
    float f;  
    char fBuff[sizeof(float)];  
}  
// to use:  
dataUnion myUnion;  
//  
myUnion.f = 3.24;  
for(int i=0;i