Reading in a specific column of data from a text file in C

Question

My text file looks like this:

987 10.50   N   50
383 9.500   N   20
224 12.00   N   40

I want to read only the second column of data. How w

Answer 1

C89/C90 has the function strtok that could be used to read the file line by line, separate the columns with the "space" delimiter and then you could access the nth token (representing the nth column in that row in the file).

strtok is declared in

http://cplusplus.com/reference/cstring/

Some implementations also have a thread-safe re-entrant version called strtok_r.