i have file pointer and i think an array, i just dnt know what number to use in the brackets.
the i have to filepoint this file to my program.
inputf.dat which is the following matrix or set of numbers
1.0 1.0 -4.0 -0.5
-2.0 1.5 1.0 2.1
-1.1 0.7 -2.5 4.2
2.4 0.3 0.4 -1.9
0.8 1.2 -0.9 -0.5
input_1=fopen("inputf.dat", "r")
if(input_1==NULL) exit(1);
int m=0; j, i, n;
char line[?]; <-this is my question. what number do i type here?