.sp 3 .sp 3 .SH .ft G References .PP C is an extension of B, which was designed by D. M. Ritchie and K. L. Thompson [4]. The C language design and .UC UNIX implementation are the work of D. M. Ritchie. The .UC GCOS version was begun by A. Snyder and B. A. Barres, and completed by S. C. Johnson and M. E. Lesk. The .UC IBM version is primarily due to T. G. Peterson, with the assistance of M. E. Lesk. .IP [1] D. M. Ritchie, .ul C Reference Manual. Bell Labs, Jan. 1974. .IP [2] M. E. Lesk & B. A. Barres, .ul The GCOS C Library. Bell Labs, Jan. 1974. .IP [3] D. M. Ritchie & K. Thompson, .ul UNIX Programmer's Manual. 5th Edition, Bell Labs, 1974. .IP [4] S. C. Johnson & B. W. Kernighan, .ul The Programming Language B. Computer Science Technical Report 8, Bell Labs, 1972.