• Introduction, number bases, writing a program
• I/O, if, while, do, & for examples for temperature conversion
  The above linked examples serve as an introduction to variables, assignment, commenting, indenting, operations, and sanity checks.
  • if statement
  • assert and system
  • while and do-while loops
  • for loop (links to cin & cout examples)
• Other Variable types, ASCII table
• Shortcut Operators, Logical Operators, Precedence, ++ & --
• functions
• arrays
• strings
• pointers
• structs
• linked lists

Reference

For reference for your convenience, you may also want to look at the following:

• ASCII table, and another version
• C Precedence table
• C Standard library (strings.h, time.h, math.h, assert.h, etc.)
• C tutorials: (found by doing a search in www.google.com for:   C tutorial   )
  • A. D. Marshall
  • Steve Holmes
• Differences between C and C++
  
  
• UNIX tutorial (found by doing a search in www.google.com for:   UNIX tutorial   )