With this objective-c category you can put blocks into an array and execute them one by one.

array_of_blocks.mm

/**
 * cc -Wall -fno-objc-arc -framework Foundation -o array_of_blocks array_of_blocks.mm
 * Based on http://orangejuiceliberationfront.com/blocks-and-block-lists/ from Uli Kusterer
 */
#import <Foundation/Foundation.h>

@interface NSMutableArray (BlocksArray)
- (void)startExecutingBlocks;
- (void)executeNextBlock;
@end

@implementation NSMutableArray (BlocksArray)

- (void)addBlock:(void (^)())aBlock
{
    [self addObject:[^(NSMutableArray *steps) {
        aBlock();
        [self executeNextBlock];
    } copy]];
}

- (void)startExecutingBlocks
{
    if ([self count] > 0) {
        void *(^block)(NSMutableArray *array) = self[0];
        block(self);
    }
}

- (void)executeNextBlock
{
    [self removeObjectAtIndex:0];
    if ([self count] > 0) {
        void *(^block)(NSMutableArray *array) = self[0];
        block(self);
    }
}

@end

int main(int argc, char **argv)
{
    @autoreleasepool {
        NSMutableArray *blockSteps = [NSMutableArray array];
        [blockSteps addBlock:^{ NSLog(@"Step 1"); }];
        [blockSteps addBlock:^{ NSLog(@"Step 2"); }];
        [blockSteps addBlock:^{ NSLog(@"Step 3"); }];
        [blockSteps addBlock:^{ NSLog(@"Step 4"); }];
        [blockSteps startExecutingBlocks];
    }
    return 0; 
}